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Finding the Fourth Proportional to 88,889,862.80, 133,618,229.40 and 83,788,029.20

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Solution

The fourth proportional to 88,889,862.80, 133,618,229.40 and 83,788,029.20 is: 125,949,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,889,862.80 : 133,618,229.40 = 83,788,029.20 : x
  2. Step 2: Convert to fraction form
    88,889,862.80/133,618,229.40 = 83,788,029.20/x
  3. Step 3: Cross multiply
    88,889,862.80x = 133,618,229.40 × 83,788,029.20
  4. Step 4: Simplify right side
    88,889,862.80x = 11,195,608,106,619,500
  5. Step 5: Solve for x
    x = 11,195,608,106,619,500/88,889,862.80
  6. Step 6: Final answer
    x = 125,949,211.24

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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.