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Finding the Fourth Proportional to 126,767.86, 174,941.74 and 69,406.24

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Solution

The fourth proportional to 126,767.86, 174,941.74 and 69,406.24 is: 95,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,767.86 : 174,941.74 = 69,406.24 : x
  2. Step 2: Convert to fraction form
    126,767.86/174,941.74 = 69,406.24/x
  3. Step 3: Cross multiply
    126,767.86x = 174,941.74 × 69,406.24
  4. Step 4: Simplify right side
    126,767.86x = 12,142,048,392.46
  5. Step 5: Solve for x
    x = 12,142,048,392.46/126,767.86
  6. Step 6: Final answer
    x = 95,781.76

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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.