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Finding the Fourth Proportional to 155,330.38, 232,621.86 and 88,568.11

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Solution

The fourth proportional to 155,330.38, 232,621.86 and 88,568.11 is: 132,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,330.38 : 232,621.86 = 88,568.11 : x
  2. Step 2: Convert to fraction form
    155,330.38/232,621.86 = 88,568.11/x
  3. Step 3: Cross multiply
    155,330.38x = 232,621.86 × 88,568.11
  4. Step 4: Simplify right side
    155,330.38x = 20,602,878,484.88
  5. Step 5: Solve for x
    x = 20,602,878,484.88/155,330.38
  6. Step 6: Final answer
    x = 132,639.08

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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.