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Finding the Fourth Proportional to 130,563.60, 195,845.40 and 124,112.40

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Solution

The fourth proportional to 130,563.60, 195,845.40 and 124,112.40 is: 186,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,563.60 : 195,845.40 = 124,112.40 : x
  2. Step 2: Convert to fraction form
    130,563.60/195,845.40 = 124,112.40/x
  3. Step 3: Cross multiply
    130,563.60x = 195,845.40 × 124,112.40
  4. Step 4: Simplify right side
    130,563.60x = 24,306,842,622.96
  5. Step 5: Solve for x
    x = 24,306,842,622.96/130,563.60
  6. Step 6: Final answer
    x = 186,168.60

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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.