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Finding the Fourth Proportional to 159,570.64, 220,205.64 and 92,508.88

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Solution

The fourth proportional to 159,570.64, 220,205.64 and 92,508.88 is: 127,661.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,570.64 : 220,205.64 = 92,508.88 : x
  2. Step 2: Convert to fraction form
    159,570.64/220,205.64 = 92,508.88/x
  3. Step 3: Cross multiply
    159,570.64x = 220,205.64 × 92,508.88
  4. Step 4: Simplify right side
    159,570.64x = 20,370,977,126.08
  5. Step 5: Solve for x
    x = 20,370,977,126.08/159,570.64
  6. Step 6: Final answer
    x = 127,661.19

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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.