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Finding the Fourth Proportional to 88,587,210.20, 123,719,763.40 and 88,587,210.20

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Solution

The fourth proportional to 88,587,210.20, 123,719,763.40 and 88,587,210.20 is: 123,719,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,587,210.20 : 123,719,763.40 = 88,587,210.20 : x
  2. Step 2: Convert to fraction form
    88,587,210.20/123,719,763.40 = 88,587,210.20/x
  3. Step 3: Cross multiply
    88,587,210.20x = 123,719,763.40 × 88,587,210.20
  4. Step 4: Simplify right side
    88,587,210.20x = 10,959,988,686,210,068
  5. Step 5: Solve for x
    x = 10,959,988,686,210,068/88,587,210.20
  6. Step 6: Final answer
    x = 123,719,763.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.