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Finding the Fourth Proportional to 133,718.60, 200,549.10 and 58,838.60

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Solution

The fourth proportional to 133,718.60, 200,549.10 and 58,838.60 is: 88,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,718.60 : 200,549.10 = 58,838.60 : x
  2. Step 2: Convert to fraction form
    133,718.60/200,549.10 = 58,838.60/x
  3. Step 3: Cross multiply
    133,718.60x = 200,549.10 × 58,838.60
  4. Step 4: Simplify right side
    133,718.60x = 11,800,028,275.26
  5. Step 5: Solve for x
    x = 11,800,028,275.26/133,718.60
  6. Step 6: Final answer
    x = 88,245.23

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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.