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Finding the Fourth Proportional to 186,229.72, 256,989.36 and 101,347.12

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Solution

The fourth proportional to 186,229.72, 256,989.36 and 101,347.12 is: 139,854.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,229.72 : 256,989.36 = 101,347.12 : x
  2. Step 2: Convert to fraction form
    186,229.72/256,989.36 = 101,347.12/x
  3. Step 3: Cross multiply
    186,229.72x = 256,989.36 × 101,347.12
  4. Step 4: Simplify right side
    186,229.72x = 26,045,131,506.64
  5. Step 5: Solve for x
    x = 26,045,131,506.64/186,229.72
  6. Step 6: Final answer
    x = 139,854.86

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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.