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Finding the Fourth Proportional to 117,758.96, 176,595.71 and 64,490.52

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Solution

The fourth proportional to 117,758.96, 176,595.71 and 64,490.52 is: 96,712.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,758.96 : 176,595.71 = 64,490.52 : x
  2. Step 2: Convert to fraction form
    117,758.96/176,595.71 = 64,490.52/x
  3. Step 3: Cross multiply
    117,758.96x = 176,595.71 × 64,490.52
  4. Step 4: Simplify right side
    117,758.96x = 11,388,749,167.67
  5. Step 5: Solve for x
    x = 11,388,749,167.67/117,758.96
  6. Step 6: Final answer
    x = 96,712.38

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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.