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Finding the Fourth Proportional to 560,686.93, 841,159.19 and 161,331.01

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Solution

The fourth proportional to 560,686.93, 841,159.19 and 161,331.01 is: 242,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,686.93 : 841,159.19 = 161,331.01 : x
  2. Step 2: Convert to fraction form
    560,686.93/841,159.19 = 161,331.01/x
  3. Step 3: Cross multiply
    560,686.93x = 841,159.19 × 161,331.01
  4. Step 4: Simplify right side
    560,686.93x = 135,705,061,693.48
  5. Step 5: Solve for x
    x = 135,705,061,693.48/560,686.93
  6. Step 6: Final answer
    x = 242,033.57

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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.