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Finding the Fourth Proportional to 201,650,578.80, 302,475,868.20 and 65,349,740.40

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Solution

The fourth proportional to 201,650,578.80, 302,475,868.20 and 65,349,740.40 is: 98,024,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,650,578.80 : 302,475,868.20 = 65,349,740.40 : x
  2. Step 2: Convert to fraction form
    201,650,578.80/302,475,868.20 = 65,349,740.40/x
  3. Step 3: Cross multiply
    201,650,578.80x = 302,475,868.20 × 65,349,740.40
  4. Step 4: Simplify right side
    201,650,578.80x = 19,766,719,464,134,616
  5. Step 5: Solve for x
    x = 19,766,719,464,134,616/201,650,578.80
  6. Step 6: Final answer
    x = 98,024,610.60

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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.