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Finding the Fourth Proportional to 225,062.51, 310,439.92 and 144,362.21

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Solution

The fourth proportional to 225,062.51, 310,439.92 and 144,362.21 is: 199,125.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,062.51 : 310,439.92 = 144,362.21 : x
  2. Step 2: Convert to fraction form
    225,062.51/310,439.92 = 144,362.21/x
  3. Step 3: Cross multiply
    225,062.51x = 310,439.92 × 144,362.21
  4. Step 4: Simplify right side
    225,062.51x = 44,815,792,923.42
  5. Step 5: Solve for x
    x = 44,815,792,923.42/225,062.51
  6. Step 6: Final answer
    x = 199,125.98

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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.