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Finding the Fourth Proportional to 187,655.48, 258,900.25 and 107,025.02

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Solution

The fourth proportional to 187,655.48, 258,900.25 and 107,025.02 is: 147,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,655.48 : 258,900.25 = 107,025.02 : x
  2. Step 2: Convert to fraction form
    187,655.48/258,900.25 = 107,025.02/x
  3. Step 3: Cross multiply
    187,655.48x = 258,900.25 × 107,025.02
  4. Step 4: Simplify right side
    187,655.48x = 27,708,804,434.26
  5. Step 5: Solve for x
    x = 27,708,804,434.26/187,655.48
  6. Step 6: Final answer
    x = 147,657.85

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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.