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Finding the Fourth Proportional to 144,453.60, 216,532.71 and 49,655.32

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Solution

The fourth proportional to 144,453.60, 216,532.71 and 49,655.32 is: 74,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,453.60 : 216,532.71 = 49,655.32 : x
  2. Step 2: Convert to fraction form
    144,453.60/216,532.71 = 49,655.32/x
  3. Step 3: Cross multiply
    144,453.60x = 216,532.71 × 49,655.32
  4. Step 4: Simplify right side
    144,453.60x = 10,752,000,464.19
  5. Step 5: Solve for x
    x = 10,752,000,464.19/144,453.60
  6. Step 6: Final answer
    x = 74,432.21

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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.