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Finding the Fourth Proportional to 63,071,985.60, 94,607,978.40 and 22,677,220.80

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Solution

The fourth proportional to 63,071,985.60, 94,607,978.40 and 22,677,220.80 is: 34,015,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,071,985.60 : 94,607,978.40 = 22,677,220.80 : x
  2. Step 2: Convert to fraction form
    63,071,985.60/94,607,978.40 = 22,677,220.80/x
  3. Step 3: Cross multiply
    63,071,985.60x = 94,607,978.40 × 22,677,220.80
  4. Step 4: Simplify right side
    63,071,985.60x = 2,145,446,015,618,431
  5. Step 5: Solve for x
    x = 2,145,446,015,618,431/63,071,985.60
  6. Step 6: Final answer
    x = 34,015,831.20

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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.