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Finding the Fourth Proportional to 144,348.98, 216,552.63 and 60,115.46

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Solution

The fourth proportional to 144,348.98, 216,552.63 and 60,115.46 is: 90,185.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,348.98 : 216,552.63 = 60,115.46 : x
  2. Step 2: Convert to fraction form
    144,348.98/216,552.63 = 60,115.46/x
  3. Step 3: Cross multiply
    144,348.98x = 216,552.63 × 60,115.46
  4. Step 4: Simplify right side
    144,348.98x = 13,018,160,966.66
  5. Step 5: Solve for x
    x = 13,018,160,966.66/144,348.98
  6. Step 6: Final answer
    x = 90,185.33

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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.