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Finding the Fourth Proportional to 201,774,179.70, 302,661,269.55 and 152,987,895.90

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Solution

The fourth proportional to 201,774,179.70, 302,661,269.55 and 152,987,895.90 is: 229,481,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,774,179.70 : 302,661,269.55 = 152,987,895.90 : x
  2. Step 2: Convert to fraction form
    201,774,179.70/302,661,269.55 = 152,987,895.90/x
  3. Step 3: Cross multiply
    201,774,179.70x = 302,661,269.55 × 152,987,895.90
  4. Step 4: Simplify right side
    201,774,179.70x = 46,303,510,798,877,240
  5. Step 5: Solve for x
    x = 46,303,510,798,877,240/201,774,179.70
  6. Step 6: Final answer
    x = 229,481,843.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.