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Finding the Fourth Proportional to 161,373.08, 242,060.70 and 56,191.70

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Solution

The fourth proportional to 161,373.08, 242,060.70 and 56,191.70 is: 84,287.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,373.08 : 242,060.70 = 56,191.70 : x
  2. Step 2: Convert to fraction form
    161,373.08/242,060.70 = 56,191.70/x
  3. Step 3: Cross multiply
    161,373.08x = 242,060.70 × 56,191.70
  4. Step 4: Simplify right side
    161,373.08x = 13,601,802,236.19
  5. Step 5: Solve for x
    x = 13,601,802,236.19/161,373.08
  6. Step 6: Final answer
    x = 84,287.93

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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.