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Finding the Fourth Proportional to 158,087.80, 237,110.10 and 47,279.80

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Solution

The fourth proportional to 158,087.80, 237,110.10 and 47,279.80 is: 70,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,087.80 : 237,110.10 = 47,279.80 : x
  2. Step 2: Convert to fraction form
    158,087.80/237,110.10 = 47,279.80/x
  3. Step 3: Cross multiply
    158,087.80x = 237,110.10 × 47,279.80
  4. Step 4: Simplify right side
    158,087.80x = 11,210,518,105.98
  5. Step 5: Solve for x
    x = 11,210,518,105.98/158,087.80
  6. Step 6: Final answer
    x = 70,913.24

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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.