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Finding the Fourth Proportional to 216,726.56, 299,142.76 and 126,100.04

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Solution

The fourth proportional to 216,726.56, 299,142.76 and 126,100.04 is: 174,053.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,726.56 : 299,142.76 = 126,100.04 : x
  2. Step 2: Convert to fraction form
    216,726.56/299,142.76 = 126,100.04/x
  3. Step 3: Cross multiply
    216,726.56x = 299,142.76 × 126,100.04
  4. Step 4: Simplify right side
    216,726.56x = 37,721,914,001.71
  5. Step 5: Solve for x
    x = 37,721,914,001.71/216,726.56
  6. Step 6: Final answer
    x = 174,053.03

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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.