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Finding the Fourth Proportional to 216,726.48, 299,105.04 and 124,848.96

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Solution

The fourth proportional to 216,726.48, 299,105.04 and 124,848.96 is: 172,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,726.48 : 299,105.04 = 124,848.96 : x
  2. Step 2: Convert to fraction form
    216,726.48/299,105.04 = 124,848.96/x
  3. Step 3: Cross multiply
    216,726.48x = 299,105.04 × 124,848.96
  4. Step 4: Simplify right side
    216,726.48x = 37,342,953,174.76
  5. Step 5: Solve for x
    x = 37,342,953,174.76/216,726.48
  6. Step 6: Final answer
    x = 172,304.52

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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.