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Finding the Fourth Proportional to 153,354.96, 229,726.13 and 121,818.42

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Solution

The fourth proportional to 153,354.96, 229,726.13 and 121,818.42 is: 182,484.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,354.96 : 229,726.13 = 121,818.42 : x
  2. Step 2: Convert to fraction form
    153,354.96/229,726.13 = 121,818.42/x
  3. Step 3: Cross multiply
    153,354.96x = 229,726.13 × 121,818.42
  4. Step 4: Simplify right side
    153,354.96x = 27,984,873,580.22
  5. Step 5: Solve for x
    x = 27,984,873,580.22/153,354.96
  6. Step 6: Final answer
    x = 182,484.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.