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Finding the Fourth Proportional to 126,301.84, 174,295.42 and 69,712

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Solution

The fourth proportional to 126,301.84, 174,295.42 and 69,712 is: 96,201.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,301.84 : 174,295.42 = 69,712 : x
  2. Step 2: Convert to fraction form
    126,301.84/174,295.42 = 69,712/x
  3. Step 3: Cross multiply
    126,301.84x = 174,295.42 × 69,712
  4. Step 4: Simplify right side
    126,301.84x = 12,150,482,319.04
  5. Step 5: Solve for x
    x = 12,150,482,319.04/126,301.84
  6. Step 6: Final answer
    x = 96,201.94

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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.