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Finding the Fourth Proportional to 186,600.73, 257,499.70 and 106,017.61

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Solution

The fourth proportional to 186,600.73, 257,499.70 and 106,017.61 is: 146,299.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,600.73 : 257,499.70 = 106,017.61 : x
  2. Step 2: Convert to fraction form
    186,600.73/257,499.70 = 106,017.61/x
  3. Step 3: Cross multiply
    186,600.73x = 257,499.70 × 106,017.61
  4. Step 4: Simplify right side
    186,600.73x = 27,299,502,769.72
  5. Step 5: Solve for x
    x = 27,299,502,769.72/186,600.73
  6. Step 6: Final answer
    x = 146,299.01

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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.