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Finding the Fourth Proportional to 102,293.80, 153,250.62 and 55,585.96

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Solution

The fourth proportional to 102,293.80, 153,250.62 and 55,585.96 is: 83,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,293.80 : 153,250.62 = 55,585.96 : x
  2. Step 2: Convert to fraction form
    102,293.80/153,250.62 = 55,585.96/x
  3. Step 3: Cross multiply
    102,293.80x = 153,250.62 × 55,585.96
  4. Step 4: Simplify right side
    102,293.80x = 8,518,582,833.30
  5. Step 5: Solve for x
    x = 8,518,582,833.30/102,293.80
  6. Step 6: Final answer
    x = 83,275.65

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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.