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Finding the Fourth Proportional to 116,587.44, 160,903.08 and 71,291.88

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Solution

The fourth proportional to 116,587.44, 160,903.08 and 71,291.88 is: 98,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,587.44 : 160,903.08 = 71,291.88 : x
  2. Step 2: Convert to fraction form
    116,587.44/160,903.08 = 71,291.88/x
  3. Step 3: Cross multiply
    116,587.44x = 160,903.08 × 71,291.88
  4. Step 4: Simplify right side
    116,587.44x = 11,471,083,070.99
  5. Step 5: Solve for x
    x = 11,471,083,070.99/116,587.44
  6. Step 6: Final answer
    x = 98,390.38

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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.