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Finding the Fourth Proportional to 260,287.80, 359,124.33 and 163,502.11

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Solution

The fourth proportional to 260,287.80, 359,124.33 and 163,502.11 is: 225,587.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,287.80 : 359,124.33 = 163,502.11 : x
  2. Step 2: Convert to fraction form
    260,287.80/359,124.33 = 163,502.11/x
  3. Step 3: Cross multiply
    260,287.80x = 359,124.33 × 163,502.11
  4. Step 4: Simplify right side
    260,287.80x = 58,717,585,707.34
  5. Step 5: Solve for x
    x = 58,717,585,707.34/260,287.80
  6. Step 6: Final answer
    x = 225,587.16

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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.