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Finding the Fourth Proportional to 187,594.68, 258,867.18 and 102,698.04

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Solution

The fourth proportional to 187,594.68, 258,867.18 and 102,698.04 is: 141,715.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,594.68 : 258,867.18 = 102,698.04 : x
  2. Step 2: Convert to fraction form
    187,594.68/258,867.18 = 102,698.04/x
  3. Step 3: Cross multiply
    187,594.68x = 258,867.18 × 102,698.04
  4. Step 4: Simplify right side
    187,594.68x = 26,585,152,006.33
  5. Step 5: Solve for x
    x = 26,585,152,006.33/187,594.68
  6. Step 6: Final answer
    x = 141,715.92

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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.