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Finding the Fourth Proportional to 163,452.53, 225,574.13 and 123,095.09

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Solution

The fourth proportional to 163,452.53, 225,574.13 and 123,095.09 is: 169,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,452.53 : 225,574.13 = 123,095.09 : x
  2. Step 2: Convert to fraction form
    163,452.53/225,574.13 = 123,095.09/x
  3. Step 3: Cross multiply
    163,452.53x = 225,574.13 × 123,095.09
  4. Step 4: Simplify right side
    163,452.53x = 27,767,067,218.55
  5. Step 5: Solve for x
    x = 27,767,067,218.55/163,452.53
  6. Step 6: Final answer
    x = 169,878.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.