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Finding the Fourth Proportional to 118,588.60, 177,892.28 and 39,703.20

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Solution

The fourth proportional to 118,588.60, 177,892.28 and 39,703.20 is: 59,557.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,588.60 : 177,892.28 = 39,703.20 : x
  2. Step 2: Convert to fraction form
    118,588.60/177,892.28 = 39,703.20/x
  3. Step 3: Cross multiply
    118,588.60x = 177,892.28 × 39,703.20
  4. Step 4: Simplify right side
    118,588.60x = 7,062,892,771.30
  5. Step 5: Solve for x
    x = 7,062,892,771.30/118,588.60
  6. Step 6: Final answer
    x = 59,557.94

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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.