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Finding the Fourth Proportional to 560,686.53, 841,158.59 and 161,330.61

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Solution

The fourth proportional to 560,686.53, 841,158.59 and 161,330.61 is: 242,032.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,686.53 : 841,158.59 = 161,330.61 : x
  2. Step 2: Convert to fraction form
    560,686.53/841,158.59 = 161,330.61/x
  3. Step 3: Cross multiply
    560,686.53x = 841,158.59 × 161,330.61
  4. Step 4: Simplify right side
    560,686.53x = 135,704,623,418.99
  5. Step 5: Solve for x
    x = 135,704,623,418.99/560,686.53
  6. Step 6: Final answer
    x = 242,032.97

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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.