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Finding the Fourth Proportional to 201,774,670.65, 302,662,005.98 and 200,074,059.45

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Solution

The fourth proportional to 201,774,670.65, 302,662,005.98 and 200,074,059.45 is: 300,111,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,774,670.65 : 302,662,005.98 = 200,074,059.45 : x
  2. Step 2: Convert to fraction form
    201,774,670.65/302,662,005.98 = 200,074,059.45/x
  3. Step 3: Cross multiply
    201,774,670.65x = 302,662,005.98 × 200,074,059.45
  4. Step 4: Simplify right side
    201,774,670.65x = 60,554,816,176,698,408
  5. Step 5: Solve for x
    x = 60,554,816,176,698,408/201,774,670.65
  6. Step 6: Final answer
    x = 300,111,089.18

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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.