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Finding the Fourth Proportional to 69,098.54, 103,143.14 and 59,300.78

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Solution

The fourth proportional to 69,098.54, 103,143.14 and 59,300.78 is: 88,518.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,098.54 : 103,143.14 = 59,300.78 : x
  2. Step 2: Convert to fraction form
    69,098.54/103,143.14 = 59,300.78/x
  3. Step 3: Cross multiply
    69,098.54x = 103,143.14 × 59,300.78
  4. Step 4: Simplify right side
    69,098.54x = 6,116,468,286.19
  5. Step 5: Solve for x
    x = 6,116,468,286.19/69,098.54
  6. Step 6: Final answer
    x = 88,518.06

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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.