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Finding the Fourth Proportional to 165,079.95, 247,619.93 and 146,053.05

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Solution

The fourth proportional to 165,079.95, 247,619.93 and 146,053.05 is: 219,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,079.95 : 247,619.93 = 146,053.05 : x
  2. Step 2: Convert to fraction form
    165,079.95/247,619.93 = 146,053.05/x
  3. Step 3: Cross multiply
    165,079.95x = 247,619.93 × 146,053.05
  4. Step 4: Simplify right side
    165,079.95x = 36,165,645,287.02
  5. Step 5: Solve for x
    x = 36,165,645,287.02/165,079.95
  6. Step 6: Final answer
    x = 219,079.58

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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.