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Finding the Fourth Proportional to 88,580,078.40, 132,870,117.60 and 88,580,078.40

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Solution

The fourth proportional to 88,580,078.40, 132,870,117.60 and 88,580,078.40 is: 132,870,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,580,078.40 : 132,870,117.60 = 88,580,078.40 : x
  2. Step 2: Convert to fraction form
    88,580,078.40/132,870,117.60 = 88,580,078.40/x
  3. Step 3: Cross multiply
    88,580,078.40x = 132,870,117.60 × 88,580,078.40
  4. Step 4: Simplify right side
    88,580,078.40x = 11,769,645,434,025,220
  5. Step 5: Solve for x
    x = 11,769,645,434,025,220/88,580,078.40
  6. Step 6: Final answer
    x = 132,870,117.60

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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.