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Finding the Fourth Proportional to 176,977.62, 265,458.71 and 57,031.90

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Solution

The fourth proportional to 176,977.62, 265,458.71 and 57,031.90 is: 85,545.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,977.62 : 265,458.71 = 57,031.90 : x
  2. Step 2: Convert to fraction form
    176,977.62/265,458.71 = 57,031.90/x
  3. Step 3: Cross multiply
    176,977.62x = 265,458.71 × 57,031.90
  4. Step 4: Simplify right side
    176,977.62x = 15,139,614,081.78
  5. Step 5: Solve for x
    x = 15,139,614,081.78/176,977.62
  6. Step 6: Final answer
    x = 85,545.36

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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.