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Finding the Fourth Proportional to 186,620.34, 257,535.50 and 101,737.42

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Solution

The fourth proportional to 186,620.34, 257,535.50 and 101,737.42 is: 140,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,620.34 : 257,535.50 = 101,737.42 : x
  2. Step 2: Convert to fraction form
    186,620.34/257,535.50 = 101,737.42/x
  3. Step 3: Cross multiply
    186,620.34x = 257,535.50 × 101,737.42
  4. Step 4: Simplify right side
    186,620.34x = 26,200,997,328.41
  5. Step 5: Solve for x
    x = 26,200,997,328.41/186,620.34
  6. Step 6: Final answer
    x = 140,397.33

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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.