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Finding the Fourth Proportional to 155,707.32, 233,660.30 and 55,865.30

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Solution

The fourth proportional to 155,707.32, 233,660.30 and 55,865.30 is: 83,833.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,707.32 : 233,660.30 = 55,865.30 : x
  2. Step 2: Convert to fraction form
    155,707.32/233,660.30 = 55,865.30/x
  3. Step 3: Cross multiply
    155,707.32x = 233,660.30 × 55,865.30
  4. Step 4: Simplify right side
    155,707.32x = 13,053,501,309.96
  5. Step 5: Solve for x
    x = 13,053,501,309.96/155,707.32
  6. Step 6: Final answer
    x = 83,833.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.