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Finding the Fourth Proportional to 158,432.80, 237,627.60 and 47,624.80

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Solution

The fourth proportional to 158,432.80, 237,627.60 and 47,624.80 is: 71,430.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,432.80 : 237,627.60 = 47,624.80 : x
  2. Step 2: Convert to fraction form
    158,432.80/237,627.60 = 47,624.80/x
  3. Step 3: Cross multiply
    158,432.80x = 237,627.60 × 47,624.80
  4. Step 4: Simplify right side
    158,432.80x = 11,316,966,924.48
  5. Step 5: Solve for x
    x = 11,316,966,924.48/158,432.80
  6. Step 6: Final answer
    x = 71,430.71

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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.