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Finding the Fourth Proportional to 88,398,078.45, 132,597,117.68 and 88,398,078.45

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Solution

The fourth proportional to 88,398,078.45, 132,597,117.68 and 88,398,078.45 is: 132,597,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,398,078.45 : 132,597,117.68 = 88,398,078.45 : x
  2. Step 2: Convert to fraction form
    88,398,078.45/132,597,117.68 = 88,398,078.45/x
  3. Step 3: Cross multiply
    88,398,078.45x = 132,597,117.68 × 88,398,078.45
  4. Step 4: Simplify right side
    88,398,078.45x = 11,721,330,410,478,532
  5. Step 5: Solve for x
    x = 11,721,330,410,478,532/88,398,078.45
  6. Step 6: Final answer
    x = 132,597,117.68

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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.