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Finding the Fourth Proportional to 118,234.80, 177,353.76 and 39,349.04

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Solution

The fourth proportional to 118,234.80, 177,353.76 and 39,349.04 is: 59,024.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,234.80 : 177,353.76 = 39,349.04 : x
  2. Step 2: Convert to fraction form
    118,234.80/177,353.76 = 39,349.04/x
  3. Step 3: Cross multiply
    118,234.80x = 177,353.76 × 39,349.04
  4. Step 4: Simplify right side
    118,234.80x = 6,978,700,196.39
  5. Step 5: Solve for x
    x = 6,978,700,196.39/118,234.80
  6. Step 6: Final answer
    x = 59,024.08

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1.5x scale

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.