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Finding the Fourth Proportional to 170,456.07, 255,721.01 and 65,275.04

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Solution

The fourth proportional to 170,456.07, 255,721.01 and 65,275.04 is: 97,926.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,456.07 : 255,721.01 = 65,275.04 : x
  2. Step 2: Convert to fraction form
    170,456.07/255,721.01 = 65,275.04/x
  3. Step 3: Cross multiply
    170,456.07x = 255,721.01 × 65,275.04
  4. Step 4: Simplify right side
    170,456.07x = 16,692,197,551.61
  5. Step 5: Solve for x
    x = 16,692,197,551.61/170,456.07
  6. Step 6: Final answer
    x = 97,926.69

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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.