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Finding the Fourth Proportional to 83,225,893.80, 124,838,840.70 and 29,366,207.40

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Solution

The fourth proportional to 83,225,893.80, 124,838,840.70 and 29,366,207.40 is: 44,049,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,225,893.80 : 124,838,840.70 = 29,366,207.40 : x
  2. Step 2: Convert to fraction form
    83,225,893.80/124,838,840.70 = 29,366,207.40/x
  3. Step 3: Cross multiply
    83,225,893.80x = 124,838,840.70 × 29,366,207.40
  4. Step 4: Simplify right side
    83,225,893.80x = 3,666,043,287,571,761
  5. Step 5: Solve for x
    x = 3,666,043,287,571,761/83,225,893.80
  6. Step 6: Final answer
    x = 44,049,311.10

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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.