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Finding the Fourth Proportional to 225,364.16, 310,992 and 124,754.24

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Solution

The fourth proportional to 225,364.16, 310,992 and 124,754.24 is: 172,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,364.16 : 310,992 = 124,754.24 : x
  2. Step 2: Convert to fraction form
    225,364.16/310,992 = 124,754.24/x
  3. Step 3: Cross multiply
    225,364.16x = 310,992 × 124,754.24
  4. Step 4: Simplify right side
    225,364.16x = 38,797,570,606.08
  5. Step 5: Solve for x
    x = 38,797,570,606.08/225,364.16
  6. Step 6: Final answer
    x = 172,155.02

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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.