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Finding the Fourth Proportional to 176,719.70, 265,104.18 and 56,780.29

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Solution

The fourth proportional to 176,719.70, 265,104.18 and 56,780.29 is: 85,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,719.70 : 265,104.18 = 56,780.29 : x
  2. Step 2: Convert to fraction form
    176,719.70/265,104.18 = 56,780.29/x
  3. Step 3: Cross multiply
    176,719.70x = 265,104.18 × 56,780.29
  4. Step 4: Simplify right side
    176,719.70x = 15,052,692,220.61
  5. Step 5: Solve for x
    x = 15,052,692,220.61/176,719.70
  6. Step 6: Final answer
    x = 85,178.35

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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.