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Finding the Fourth Proportional to 176,731.58, 265,128.96 and 58,487.78

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Solution

The fourth proportional to 176,731.58, 265,128.96 and 58,487.78 is: 87,742.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,731.58 : 265,128.96 = 58,487.78 : x
  2. Step 2: Convert to fraction form
    176,731.58/265,128.96 = 58,487.78/x
  3. Step 3: Cross multiply
    176,731.58x = 265,128.96 × 58,487.78
  4. Step 4: Simplify right side
    176,731.58x = 15,506,804,284.11
  5. Step 5: Solve for x
    x = 15,506,804,284.11/176,731.58
  6. Step 6: Final answer
    x = 87,742.12

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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.