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Finding the Fourth Proportional to 88,578,701.40, 132,868,052.10 and 74,245,978.20

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Solution

The fourth proportional to 88,578,701.40, 132,868,052.10 and 74,245,978.20 is: 111,368,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,578,701.40 : 132,868,052.10 = 74,245,978.20 : x
  2. Step 2: Convert to fraction form
    88,578,701.40/132,868,052.10 = 74,245,978.20/x
  3. Step 3: Cross multiply
    88,578,701.40x = 132,868,052.10 × 74,245,978.20
  4. Step 4: Simplify right side
    88,578,701.40x = 9,864,918,499,693,064
  5. Step 5: Solve for x
    x = 9,864,918,499,693,064/88,578,701.40
  6. Step 6: Final answer
    x = 111,368,967.30

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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.