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Finding the Fourth Proportional to 130,148.80, 195,093.60 and 59,905.60

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Solution

The fourth proportional to 130,148.80, 195,093.60 and 59,905.60 is: 89,798.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,148.80 : 195,093.60 = 59,905.60 : x
  2. Step 2: Convert to fraction form
    130,148.80/195,093.60 = 59,905.60/x
  3. Step 3: Cross multiply
    130,148.80x = 195,093.60 × 59,905.60
  4. Step 4: Simplify right side
    130,148.80x = 11,687,199,164.16
  5. Step 5: Solve for x
    x = 11,687,199,164.16/130,148.80
  6. Step 6: Final answer
    x = 89,798.75

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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.