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Finding the Fourth Proportional to 65,797,898.80, 98,909,424.60 and 60,696,065.20

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Solution

The fourth proportional to 65,797,898.80, 98,909,424.60 and 60,696,065.20 is: 91,240,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,797,898.80 : 98,909,424.60 = 60,696,065.20 : x
  2. Step 2: Convert to fraction form
    65,797,898.80/98,909,424.60 = 60,696,065.20/x
  3. Step 3: Cross multiply
    65,797,898.80x = 98,909,424.60 × 60,696,065.20
  4. Step 4: Simplify right side
    65,797,898.80x = 6,003,412,884,416,084
  5. Step 5: Solve for x
    x = 6,003,412,884,416,084/65,797,898.80
  6. Step 6: Final answer
    x = 91,240,191.46

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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.