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Finding the Fourth Proportional to 149,818.90, 224,728.35 and 90,624.10

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Solution

The fourth proportional to 149,818.90, 224,728.35 and 90,624.10 is: 135,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,818.90 : 224,728.35 = 90,624.10 : x
  2. Step 2: Convert to fraction form
    149,818.90/224,728.35 = 90,624.10/x
  3. Step 3: Cross multiply
    149,818.90x = 224,728.35 × 90,624.10
  4. Step 4: Simplify right side
    149,818.90x = 20,365,804,463.24
  5. Step 5: Solve for x
    x = 20,365,804,463.24/149,818.90
  6. Step 6: Final answer
    x = 135,936.15

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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.