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Finding the Fourth Proportional to 126,370.64, 174,328.52 and 75,347.44

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Solution

The fourth proportional to 126,370.64, 174,328.52 and 75,347.44 is: 103,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,370.64 : 174,328.52 = 75,347.44 : x
  2. Step 2: Convert to fraction form
    126,370.64/174,328.52 = 75,347.44/x
  3. Step 3: Cross multiply
    126,370.64x = 174,328.52 × 75,347.44
  4. Step 4: Simplify right side
    126,370.64x = 13,135,207,700.99
  5. Step 5: Solve for x
    x = 13,135,207,700.99/126,370.64
  6. Step 6: Final answer
    x = 103,941.93

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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.