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Finding the Fourth Proportional to 88,312.76, 132,482.28 and 29,154.68

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Solution

The fourth proportional to 88,312.76, 132,482.28 and 29,154.68 is: 43,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,312.76 : 132,482.28 = 29,154.68 : x
  2. Step 2: Convert to fraction form
    88,312.76/132,482.28 = 29,154.68/x
  3. Step 3: Cross multiply
    88,312.76x = 132,482.28 × 29,154.68
  4. Step 4: Simplify right side
    88,312.76x = 3,862,478,479.07
  5. Step 5: Solve for x
    x = 3,862,478,479.07/88,312.76
  6. Step 6: Final answer
    x = 43,736.36

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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.