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Finding the Fourth Proportional to 225,347.52, 310,975.20 and 124,746.24

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Solution

The fourth proportional to 225,347.52, 310,975.20 and 124,746.24 is: 172,147.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,347.52 : 310,975.20 = 124,746.24 : x
  2. Step 2: Convert to fraction form
    225,347.52/310,975.20 = 124,746.24/x
  3. Step 3: Cross multiply
    225,347.52x = 310,975.20 × 124,746.24
  4. Step 4: Simplify right side
    225,347.52x = 38,792,986,933.25
  5. Step 5: Solve for x
    x = 38,792,986,933.25/225,347.52
  6. Step 6: Final answer
    x = 172,147.39

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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.