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Finding the Fourth Proportional to 88,980,693.40, 124,752,129.80 and 88,980,693.40

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Solution

The fourth proportional to 88,980,693.40, 124,752,129.80 and 88,980,693.40 is: 124,752,129.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,980,693.40 : 124,752,129.80 = 88,980,693.40 : x
  2. Step 2: Convert to fraction form
    88,980,693.40/124,752,129.80 = 88,980,693.40/x
  3. Step 3: Cross multiply
    88,980,693.40x = 124,752,129.80 × 88,980,693.40
  4. Step 4: Simplify right side
    88,980,693.40x = 11,100,531,012,730,804
  5. Step 5: Solve for x
    x = 11,100,531,012,730,804/88,980,693.40
  6. Step 6: Final answer
    x = 124,752,129.80

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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.