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Finding the Fourth Proportional to 94,019.20, 141,259.20 and 70,691.20

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Solution

The fourth proportional to 94,019.20, 141,259.20 and 70,691.20 is: 106,210.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,019.20 : 141,259.20 = 70,691.20 : x
  2. Step 2: Convert to fraction form
    94,019.20/141,259.20 = 70,691.20/x
  3. Step 3: Cross multiply
    94,019.20x = 141,259.20 × 70,691.20
  4. Step 4: Simplify right side
    94,019.20x = 9,985,782,359.04
  5. Step 5: Solve for x
    x = 9,985,782,359.04/94,019.20
  6. Step 6: Final answer
    x = 106,210.03

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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.