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Finding the Fourth Proportional to 94,132.80, 141,199.20 and 70,513.20

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Solution

The fourth proportional to 94,132.80, 141,199.20 and 70,513.20 is: 105,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,132.80 : 141,199.20 = 70,513.20 : x
  2. Step 2: Convert to fraction form
    94,132.80/141,199.20 = 70,513.20/x
  3. Step 3: Cross multiply
    94,132.80x = 141,199.20 × 70,513.20
  4. Step 4: Simplify right side
    94,132.80x = 9,956,407,429.44
  5. Step 5: Solve for x
    x = 9,956,407,429.44/94,132.80
  6. Step 6: Final answer
    x = 105,769.80

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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.