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Finding the Fourth Proportional to 88,725, 133,037.80 and 29,528.38

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Solution

The fourth proportional to 88,725, 133,037.80 and 29,528.38 is: 44,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,725 : 133,037.80 = 29,528.38 : x
  2. Step 2: Convert to fraction form
    88,725/133,037.80 = 29,528.38/x
  3. Step 3: Cross multiply
    88,725x = 133,037.80 × 29,528.38
  4. Step 4: Simplify right side
    88,725x = 3,928,390,712.76
  5. Step 5: Solve for x
    x = 3,928,390,712.76/88,725
  6. Step 6: Final answer
    x = 44,276.03

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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.