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Finding the Fourth Proportional to 116,127.56, 160,255.92 and 65,826.56

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Solution

The fourth proportional to 116,127.56, 160,255.92 and 65,826.56 is: 90,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,127.56 : 160,255.92 = 65,826.56 : x
  2. Step 2: Convert to fraction form
    116,127.56/160,255.92 = 65,826.56/x
  3. Step 3: Cross multiply
    116,127.56x = 160,255.92 × 65,826.56
  4. Step 4: Simplify right side
    116,127.56x = 10,549,095,933.24
  5. Step 5: Solve for x
    x = 10,549,095,933.24/116,127.56
  6. Step 6: Final answer
    x = 90,840.59

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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.