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Finding the Fourth Proportional to 126,522.48, 174,487.92 and 104,978.10

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Solution

The fourth proportional to 126,522.48, 174,487.92 and 104,978.10 is: 144,775.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,522.48 : 174,487.92 = 104,978.10 : x
  2. Step 2: Convert to fraction form
    126,522.48/174,487.92 = 104,978.10/x
  3. Step 3: Cross multiply
    126,522.48x = 174,487.92 × 104,978.10
  4. Step 4: Simplify right side
    126,522.48x = 18,317,410,314.55
  5. Step 5: Solve for x
    x = 18,317,410,314.55/126,522.48
  6. Step 6: Final answer
    x = 144,775.93

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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.