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Finding the Fourth Proportional to 69,098.16, 103,142.58 and 59,300.40

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Solution

The fourth proportional to 69,098.16, 103,142.58 and 59,300.40 is: 88,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,098.16 : 103,142.58 = 59,300.40 : x
  2. Step 2: Convert to fraction form
    69,098.16/103,142.58 = 59,300.40/x
  3. Step 3: Cross multiply
    69,098.16x = 103,142.58 × 59,300.40
  4. Step 4: Simplify right side
    69,098.16x = 6,116,396,251.03
  5. Step 5: Solve for x
    x = 6,116,396,251.03/69,098.16
  6. Step 6: Final answer
    x = 88,517.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.