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Finding the Fourth Proportional to 186,245.46, 257,013.81 and 101,360.70

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Solution

The fourth proportional to 186,245.46, 257,013.81 and 101,360.70 is: 139,875.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,245.46 : 257,013.81 = 101,360.70 : x
  2. Step 2: Convert to fraction form
    186,245.46/257,013.81 = 101,360.70/x
  3. Step 3: Cross multiply
    186,245.46x = 257,013.81 × 101,360.70
  4. Step 4: Simplify right side
    186,245.46x = 26,051,099,691.27
  5. Step 5: Solve for x
    x = 26,051,099,691.27/186,245.46
  6. Step 6: Final answer
    x = 139,875.09

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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.