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Finding the Fourth Proportional to 169,314.19, 254,081.13 and 73,345.15

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Solution

The fourth proportional to 169,314.19, 254,081.13 and 73,345.15 is: 110,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,314.19 : 254,081.13 = 73,345.15 : x
  2. Step 2: Convert to fraction form
    169,314.19/254,081.13 = 73,345.15/x
  3. Step 3: Cross multiply
    169,314.19x = 254,081.13 × 73,345.15
  4. Step 4: Simplify right side
    169,314.19x = 18,635,617,643.72
  5. Step 5: Solve for x
    x = 18,635,617,643.72/169,314.19
  6. Step 6: Final answer
    x = 110,065.31

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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.