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Finding the Fourth Proportional to 143,679.64, 215,545.59 and 59,394.02

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Solution

The fourth proportional to 143,679.64, 215,545.59 and 59,394.02 is: 89,101.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,679.64 : 215,545.59 = 59,394.02 : x
  2. Step 2: Convert to fraction form
    143,679.64/215,545.59 = 59,394.02/x
  3. Step 3: Cross multiply
    143,679.64x = 215,545.59 × 59,394.02
  4. Step 4: Simplify right side
    143,679.64x = 12,802,119,771.77
  5. Step 5: Solve for x
    x = 12,802,119,771.77/143,679.64
  6. Step 6: Final answer
    x = 89,101.84

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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.