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Finding the Fourth Proportional to 115,254.54, 159,061.77 and 69,944.04

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Solution

The fourth proportional to 115,254.54, 159,061.77 and 69,944.04 is: 96,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,254.54 : 159,061.77 = 69,944.04 : x
  2. Step 2: Convert to fraction form
    115,254.54/159,061.77 = 69,944.04/x
  3. Step 3: Cross multiply
    115,254.54x = 159,061.77 × 69,944.04
  4. Step 4: Simplify right side
    115,254.54x = 11,125,422,803.35
  5. Step 5: Solve for x
    x = 11,125,422,803.35/115,254.54
  6. Step 6: Final answer
    x = 96,529.15

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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.