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Finding the Fourth Proportional to 172,064.67, 237,535.59 and 107,569.74

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Solution

The fourth proportional to 172,064.67, 237,535.59 and 107,569.74 is: 148,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,064.67 : 237,535.59 = 107,569.74 : x
  2. Step 2: Convert to fraction form
    172,064.67/237,535.59 = 107,569.74/x
  3. Step 3: Cross multiply
    172,064.67x = 237,535.59 × 107,569.74
  4. Step 4: Simplify right side
    172,064.67x = 25,551,641,657.05
  5. Step 5: Solve for x
    x = 25,551,641,657.05/172,064.67
  6. Step 6: Final answer
    x = 148,500.22

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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.