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Finding the Fourth Proportional to 126,304, 174,299.54 and 69,715.39

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Solution

The fourth proportional to 126,304, 174,299.54 and 69,715.39 is: 96,207.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,304 : 174,299.54 = 69,715.39 : x
  2. Step 2: Convert to fraction form
    126,304/174,299.54 = 69,715.39/x
  3. Step 3: Cross multiply
    126,304x = 174,299.54 × 69,715.39
  4. Step 4: Simplify right side
    126,304x = 12,151,360,407.92
  5. Step 5: Solve for x
    x = 12,151,360,407.92/126,304
  6. Step 6: Final answer
    x = 96,207.25

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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.