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Finding the Fourth Proportional to 113,320.93, 169,980.76 and 29,080.93

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Solution

The fourth proportional to 113,320.93, 169,980.76 and 29,080.93 is: 43,621.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,320.93 : 169,980.76 = 29,080.93 : x
  2. Step 2: Convert to fraction form
    113,320.93/169,980.76 = 29,080.93/x
  3. Step 3: Cross multiply
    113,320.93x = 169,980.76 × 29,080.93
  4. Step 4: Simplify right side
    113,320.93x = 4,943,198,582.91
  5. Step 5: Solve for x
    x = 4,943,198,582.91/113,320.93
  6. Step 6: Final answer
    x = 43,621.23

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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.