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Finding the Fourth Proportional to 118,178.60, 177,120.07 and 59,030.78

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Solution

The fourth proportional to 118,178.60, 177,120.07 and 59,030.78 is: 88,472.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,178.60 : 177,120.07 = 59,030.78 : x
  2. Step 2: Convert to fraction form
    118,178.60/177,120.07 = 59,030.78/x
  3. Step 3: Cross multiply
    118,178.60x = 177,120.07 × 59,030.78
  4. Step 4: Simplify right side
    118,178.60x = 10,455,535,885.75
  5. Step 5: Solve for x
    x = 10,455,535,885.75/118,178.60
  6. Step 6: Final answer
    x = 88,472.33

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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.