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Finding the Fourth Proportional to 149,363.60, 224,045.40 and 105,040.40

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Solution

The fourth proportional to 149,363.60, 224,045.40 and 105,040.40 is: 157,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,363.60 : 224,045.40 = 105,040.40 : x
  2. Step 2: Convert to fraction form
    149,363.60/224,045.40 = 105,040.40/x
  3. Step 3: Cross multiply
    149,363.60x = 224,045.40 × 105,040.40
  4. Step 4: Simplify right side
    149,363.60x = 23,533,818,434.16
  5. Step 5: Solve for x
    x = 23,533,818,434.16/149,363.60
  6. Step 6: Final answer
    x = 157,560.60

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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.