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Finding the Fourth Proportional to 172,045.52, 258,009.92 and 59,696.08

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Solution

The fourth proportional to 172,045.52, 258,009.92 and 59,696.08 is: 89,523.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,045.52 : 258,009.92 = 59,696.08 : x
  2. Step 2: Convert to fraction form
    172,045.52/258,009.92 = 59,696.08/x
  3. Step 3: Cross multiply
    172,045.52x = 258,009.92 × 59,696.08
  4. Step 4: Simplify right side
    172,045.52x = 15,402,180,825.11
  5. Step 5: Solve for x
    x = 15,402,180,825.11/172,045.52
  6. Step 6: Final answer
    x = 89,523.87

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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.