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Finding the Fourth Proportional to 60,399.30, 90,426.15 and 60,399.30

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Solution

The fourth proportional to 60,399.30, 90,426.15 and 60,399.30 is: 90,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,399.30 : 90,426.15 = 60,399.30 : x
  2. Step 2: Convert to fraction form
    60,399.30/90,426.15 = 60,399.30/x
  3. Step 3: Cross multiply
    60,399.30x = 90,426.15 × 60,399.30
  4. Step 4: Simplify right side
    60,399.30x = 5,461,676,161.70
  5. Step 5: Solve for x
    x = 5,461,676,161.70/60,399.30
  6. Step 6: Final answer
    x = 90,426.15

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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.