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Finding the Fourth Proportional to 65,349,712.80, 98,024,569.20 and 62,373,643.20

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Solution

The fourth proportional to 65,349,712.80, 98,024,569.20 and 62,373,643.20 is: 93,560,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,349,712.80 : 98,024,569.20 = 62,373,643.20 : x
  2. Step 2: Convert to fraction form
    65,349,712.80/98,024,569.20 = 62,373,643.20/x
  3. Step 3: Cross multiply
    65,349,712.80x = 98,024,569.20 × 62,373,643.20
  4. Step 4: Simplify right side
    65,349,712.80x = 6,114,149,504,114,510
  5. Step 5: Solve for x
    x = 6,114,149,504,114,510/65,349,712.80
  6. Step 6: Final answer
    x = 93,560,464.80

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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.