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Finding the Fourth Proportional to 176,720.46, 243,781.29 and 105,049.50

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Solution

The fourth proportional to 176,720.46, 243,781.29 and 105,049.50 is: 144,913.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,720.46 : 243,781.29 = 105,049.50 : x
  2. Step 2: Convert to fraction form
    176,720.46/243,781.29 = 105,049.50/x
  3. Step 3: Cross multiply
    176,720.46x = 243,781.29 × 105,049.50
  4. Step 4: Simplify right side
    176,720.46x = 25,609,102,623.86
  5. Step 5: Solve for x
    x = 25,609,102,623.86/176,720.46
  6. Step 6: Final answer
    x = 144,913.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.