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Finding the Fourth Proportional to 130,164.80, 195,117.60 and 59,921.60

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Solution

The fourth proportional to 130,164.80, 195,117.60 and 59,921.60 is: 89,822.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,164.80 : 195,117.60 = 59,921.60 : x
  2. Step 2: Convert to fraction form
    130,164.80/195,117.60 = 59,921.60/x
  3. Step 3: Cross multiply
    130,164.80x = 195,117.60 × 59,921.60
  4. Step 4: Simplify right side
    130,164.80x = 11,691,758,780.16
  5. Step 5: Solve for x
    x = 11,691,758,780.16/130,164.80
  6. Step 6: Final answer
    x = 89,822.74

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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.