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Finding the Fourth Proportional to 159,814.53, 220,543.56 and 88,193.93

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Solution

The fourth proportional to 159,814.53, 220,543.56 and 88,193.93 is: 121,707.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,814.53 : 220,543.56 = 88,193.93 : x
  2. Step 2: Convert to fraction form
    159,814.53/220,543.56 = 88,193.93/x
  3. Step 3: Cross multiply
    159,814.53x = 220,543.56 × 88,193.93
  4. Step 4: Simplify right side
    159,814.53x = 19,450,602,189.87
  5. Step 5: Solve for x
    x = 19,450,602,189.87/159,814.53
  6. Step 6: Final answer
    x = 121,707.35

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Why These Related Problems?

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