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Finding the Fourth Proportional to 144,348.48, 216,551.88 and 60,114.96

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Solution

The fourth proportional to 144,348.48, 216,551.88 and 60,114.96 is: 90,184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,348.48 : 216,551.88 = 60,114.96 : x
  2. Step 2: Convert to fraction form
    144,348.48/216,551.88 = 60,114.96/x
  3. Step 3: Cross multiply
    144,348.48x = 216,551.88 × 60,114.96
  4. Step 4: Simplify right side
    144,348.48x = 13,018,007,604.12
  5. Step 5: Solve for x
    x = 13,018,007,604.12/144,348.48
  6. Step 6: Final answer
    x = 90,184.58

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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.