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Finding the Fourth Proportional to 149,594.70, 224,280.45 and 90,417.90

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Solution

The fourth proportional to 149,594.70, 224,280.45 and 90,417.90 is: 135,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,594.70 : 224,280.45 = 90,417.90 : x
  2. Step 2: Convert to fraction form
    149,594.70/224,280.45 = 90,417.90/x
  3. Step 3: Cross multiply
    149,594.70x = 224,280.45 × 90,417.90
  4. Step 4: Simplify right side
    149,594.70x = 20,278,967,300.06
  5. Step 5: Solve for x
    x = 20,278,967,300.06/149,594.70
  6. Step 6: Final answer
    x = 135,559.40

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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.