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Finding the Fourth Proportional to 149,763.57, 224,641.04 and 38,955.57

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Solution

The fourth proportional to 149,763.57, 224,641.04 and 38,955.57 is: 58,432.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,763.57 : 224,641.04 = 38,955.57 : x
  2. Step 2: Convert to fraction form
    149,763.57/224,641.04 = 38,955.57/x
  3. Step 3: Cross multiply
    149,763.57x = 224,641.04 × 38,955.57
  4. Step 4: Simplify right side
    149,763.57x = 8,751,019,563.81
  5. Step 5: Solve for x
    x = 8,751,019,563.81/149,763.57
  6. Step 6: Final answer
    x = 58,432.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.