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Finding the Fourth Proportional to 126,673.52, 174,806.76 and 69,312.62

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Solution

The fourth proportional to 126,673.52, 174,806.76 and 69,312.62 is: 95,649.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,673.52 : 174,806.76 = 69,312.62 : x
  2. Step 2: Convert to fraction form
    126,673.52/174,806.76 = 69,312.62/x
  3. Step 3: Cross multiply
    126,673.52x = 174,806.76 × 69,312.62
  4. Step 4: Simplify right side
    126,673.52x = 12,116,314,966.33
  5. Step 5: Solve for x
    x = 12,116,314,966.33/126,673.52
  6. Step 6: Final answer
    x = 95,649.94

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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.