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Finding the Fourth Proportional to 261,572.24, 360,921.48 and 159,574.16

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Solution

The fourth proportional to 261,572.24, 360,921.48 and 159,574.16 is: 220,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,572.24 : 360,921.48 = 159,574.16 : x
  2. Step 2: Convert to fraction form
    261,572.24/360,921.48 = 159,574.16/x
  3. Step 3: Cross multiply
    261,572.24x = 360,921.48 × 159,574.16
  4. Step 4: Simplify right side
    261,572.24x = 57,593,741,996.96
  5. Step 5: Solve for x
    x = 57,593,741,996.96/261,572.24
  6. Step 6: Final answer
    x = 220,182.93

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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.