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Finding the Fourth Proportional to 71,097.84, 98,113.14 and 39,266.10

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Solution

The fourth proportional to 71,097.84, 98,113.14 and 39,266.10 is: 54,186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,097.84 : 98,113.14 = 39,266.10 : x
  2. Step 2: Convert to fraction form
    71,097.84/98,113.14 = 39,266.10/x
  3. Step 3: Cross multiply
    71,097.84x = 98,113.14 × 39,266.10
  4. Step 4: Simplify right side
    71,097.84x = 3,852,520,366.55
  5. Step 5: Solve for x
    x = 3,852,520,366.55/71,097.84
  6. Step 6: Final answer
    x = 54,186.18

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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.