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Finding the Fourth Proportional to 143,757.95, 215,678.58 and 59,502.56

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Solution

The fourth proportional to 143,757.95, 215,678.58 and 59,502.56 is: 89,271.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,757.95 : 215,678.58 = 59,502.56 : x
  2. Step 2: Convert to fraction form
    143,757.95/215,678.58 = 59,502.56/x
  3. Step 3: Cross multiply
    143,757.95x = 215,678.58 × 59,502.56
  4. Step 4: Simplify right side
    143,757.95x = 12,833,427,349.65
  5. Step 5: Solve for x
    x = 12,833,427,349.65/143,757.95
  6. Step 6: Final answer
    x = 89,271.08

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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.