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Finding the Fourth Proportional to 102,608.68, 141,592.68 and 60,159

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Solution

The fourth proportional to 102,608.68, 141,592.68 and 60,159 is: 83,015.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,608.68 : 141,592.68 = 60,159 : x
  2. Step 2: Convert to fraction form
    102,608.68/141,592.68 = 60,159/x
  3. Step 3: Cross multiply
    102,608.68x = 141,592.68 × 60,159
  4. Step 4: Simplify right side
    102,608.68x = 8,518,074,036.12
  5. Step 5: Solve for x
    x = 8,518,074,036.12/102,608.68
  6. Step 6: Final answer
    x = 83,015.14

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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.