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Finding the Fourth Proportional to 126,652.90, 190,053.90 and 46,747.12

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Solution

The fourth proportional to 126,652.90, 190,053.90 and 46,747.12 is: 70,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,652.90 : 190,053.90 = 46,747.12 : x
  2. Step 2: Convert to fraction form
    126,652.90/190,053.90 = 46,747.12/x
  3. Step 3: Cross multiply
    126,652.90x = 190,053.90 × 46,747.12
  4. Step 4: Simplify right side
    126,652.90x = 8,884,472,469.77
  5. Step 5: Solve for x
    x = 8,884,472,469.77/126,652.90
  6. Step 6: Final answer
    x = 70,148.20

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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.