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Finding the Fourth Proportional to 117,595.53, 176,415.17 and 38,712.87

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Solution

The fourth proportional to 117,595.53, 176,415.17 and 38,712.87 is: 58,076.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,595.53 : 176,415.17 = 38,712.87 : x
  2. Step 2: Convert to fraction form
    117,595.53/176,415.17 = 38,712.87/x
  3. Step 3: Cross multiply
    117,595.53x = 176,415.17 × 38,712.87
  4. Step 4: Simplify right side
    117,595.53x = 6,829,537,348.67
  5. Step 5: Solve for x
    x = 6,829,537,348.67/117,595.53
  6. Step 6: Final answer
    x = 58,076.50

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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.