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Finding the Fourth Proportional to 123,522.76, 185,284.14 and 70,947.28

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Solution

The fourth proportional to 123,522.76, 185,284.14 and 70,947.28 is: 106,420.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,522.76 : 185,284.14 = 70,947.28 : x
  2. Step 2: Convert to fraction form
    123,522.76/185,284.14 = 70,947.28/x
  3. Step 3: Cross multiply
    123,522.76x = 185,284.14 × 70,947.28
  4. Step 4: Simplify right side
    123,522.76x = 13,145,405,760.14
  5. Step 5: Solve for x
    x = 13,145,405,760.14/123,522.76
  6. Step 6: Final answer
    x = 106,420.92

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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.