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Finding the Fourth Proportional to 88,017,718.80, 132,026,578.20 and 50,268,982.80

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Solution

The fourth proportional to 88,017,718.80, 132,026,578.20 and 50,268,982.80 is: 75,403,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,017,718.80 : 132,026,578.20 = 50,268,982.80 : x
  2. Step 2: Convert to fraction form
    88,017,718.80/132,026,578.20 = 50,268,982.80/x
  3. Step 3: Cross multiply
    88,017,718.80x = 132,026,578.20 × 50,268,982.80
  4. Step 4: Simplify right side
    88,017,718.80x = 6,636,841,788,678,655
  5. Step 5: Solve for x
    x = 6,636,841,788,678,655/88,017,718.80
  6. Step 6: Final answer
    x = 75,403,474.20

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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.