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Finding the Fourth Proportional to 172,510.75, 258,798.80 and 60,223.02

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Solution

The fourth proportional to 172,510.75, 258,798.80 and 60,223.02 is: 90,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,510.75 : 258,798.80 = 60,223.02 : x
  2. Step 2: Convert to fraction form
    172,510.75/258,798.80 = 60,223.02/x
  3. Step 3: Cross multiply
    172,510.75x = 258,798.80 × 60,223.02
  4. Step 4: Simplify right side
    172,510.75x = 15,585,645,308.38
  5. Step 5: Solve for x
    x = 15,585,645,308.38/172,510.75
  6. Step 6: Final answer
    x = 90,345.94

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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.