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Finding the Fourth Proportional to 75,244.55, 112,767.80 and 41,980.28

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Solution

The fourth proportional to 75,244.55, 112,767.80 and 41,980.28 is: 62,915.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,244.55 : 112,767.80 = 41,980.28 : x
  2. Step 2: Convert to fraction form
    75,244.55/112,767.80 = 41,980.28/x
  3. Step 3: Cross multiply
    75,244.55x = 112,767.80 × 41,980.28
  4. Step 4: Simplify right side
    75,244.55x = 4,734,023,045.24
  5. Step 5: Solve for x
    x = 4,734,023,045.24/75,244.55
  6. Step 6: Final answer
    x = 62,915.17

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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.