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Finding the Fourth Proportional to 187,050.98, 258,223.48 and 115,470.48

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Solution

The fourth proportional to 187,050.98, 258,223.48 and 115,470.48 is: 159,406.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,050.98 : 258,223.48 = 115,470.48 : x
  2. Step 2: Convert to fraction form
    187,050.98/258,223.48 = 115,470.48/x
  3. Step 3: Cross multiply
    187,050.98x = 258,223.48 × 115,470.48
  4. Step 4: Simplify right side
    187,050.98x = 29,817,189,182.87
  5. Step 5: Solve for x
    x = 29,817,189,182.87/187,050.98
  6. Step 6: Final answer
    x = 159,406.75

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1.5x scale

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.