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Finding the Fourth Proportional to 88,698.64, 132,948.32 and 58,362.52

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Solution

The fourth proportional to 88,698.64, 132,948.32 and 58,362.52 is: 87,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,698.64 : 132,948.32 = 58,362.52 : x
  2. Step 2: Convert to fraction form
    88,698.64/132,948.32 = 58,362.52/x
  3. Step 3: Cross multiply
    88,698.64x = 132,948.32 × 58,362.52
  4. Step 4: Simplify right side
    88,698.64x = 7,759,198,984.97
  5. Step 5: Solve for x
    x = 7,759,198,984.97/88,698.64
  6. Step 6: Final answer
    x = 87,478.22

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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.