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Finding the Fourth Proportional to 144,579.51, 216,714.13 and 60,276.13

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Solution

The fourth proportional to 144,579.51, 216,714.13 and 60,276.13 is: 90,349.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,579.51 : 216,714.13 = 60,276.13 : x
  2. Step 2: Convert to fraction form
    144,579.51/216,714.13 = 60,276.13/x
  3. Step 3: Cross multiply
    144,579.51x = 216,714.13 × 60,276.13
  4. Step 4: Simplify right side
    144,579.51x = 13,062,687,687.77
  5. Step 5: Solve for x
    x = 13,062,687,687.77/144,579.51
  6. Step 6: Final answer
    x = 90,349.51

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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.