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Finding the Fourth Proportional to 144,411.60, 216,603.96 and 50,912.40

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Solution

The fourth proportional to 144,411.60, 216,603.96 and 50,912.40 is: 76,363.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,411.60 : 216,603.96 = 50,912.40 : x
  2. Step 2: Convert to fraction form
    144,411.60/216,603.96 = 50,912.40/x
  3. Step 3: Cross multiply
    144,411.60x = 216,603.96 × 50,912.40
  4. Step 4: Simplify right side
    144,411.60x = 11,027,827,453.10
  5. Step 5: Solve for x
    x = 11,027,827,453.10/144,411.60
  6. Step 6: Final answer
    x = 76,363.86

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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.