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Finding the Fourth Proportional to 71,182.28, 98,254.88 and 49,966.76

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Solution

The fourth proportional to 71,182.28, 98,254.88 and 49,966.76 is: 68,970.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,182.28 : 98,254.88 = 49,966.76 : x
  2. Step 2: Convert to fraction form
    71,182.28/98,254.88 = 49,966.76/x
  3. Step 3: Cross multiply
    71,182.28x = 98,254.88 × 49,966.76
  4. Step 4: Simplify right side
    71,182.28x = 4,909,477,266.68
  5. Step 5: Solve for x
    x = 4,909,477,266.68/71,182.28
  6. Step 6: Final answer
    x = 68,970.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.