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Finding the Fourth Proportional to 187,076.52, 258,165.55 and 101,035.55

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Solution

The fourth proportional to 187,076.52, 258,165.55 and 101,035.55 is: 139,429.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,076.52 : 258,165.55 = 101,035.55 : x
  2. Step 2: Convert to fraction form
    187,076.52/258,165.55 = 101,035.55/x
  3. Step 3: Cross multiply
    187,076.52x = 258,165.55 × 101,035.55
  4. Step 4: Simplify right side
    187,076.52x = 26,083,896,539.30
  5. Step 5: Solve for x
    x = 26,083,896,539.30/187,076.52
  6. Step 6: Final answer
    x = 139,429.03

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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.