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Finding the Fourth Proportional to 187,602.76, 258,894.66 and 102,727.72

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Solution

The fourth proportional to 187,602.76, 258,894.66 and 102,727.72 is: 141,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,602.76 : 258,894.66 = 102,727.72 : x
  2. Step 2: Convert to fraction form
    187,602.76/258,894.66 = 102,727.72/x
  3. Step 3: Cross multiply
    187,602.76x = 258,894.66 × 102,727.72
  4. Step 4: Simplify right side
    187,602.76x = 26,595,658,141.98
  5. Step 5: Solve for x
    x = 26,595,658,141.98/187,602.76
  6. Step 6: Final answer
    x = 141,765.81

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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.