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Finding the Fourth Proportional to 142,264.40, 213,202.20 and 94,744.40

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Solution

The fourth proportional to 142,264.40, 213,202.20 and 94,744.40 is: 141,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,264.40 : 213,202.20 = 94,744.40 : x
  2. Step 2: Convert to fraction form
    142,264.40/213,202.20 = 94,744.40/x
  3. Step 3: Cross multiply
    142,264.40x = 213,202.20 × 94,744.40
  4. Step 4: Simplify right side
    142,264.40x = 20,199,714,517.68
  5. Step 5: Solve for x
    x = 20,199,714,517.68/142,264.40
  6. Step 6: Final answer
    x = 141,987.13

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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.