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Finding the Fourth Proportional to 116,254.01, 160,479.29 and 78,579.29

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Solution

The fourth proportional to 116,254.01, 160,479.29 and 78,579.29 is: 108,472.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,254.01 : 160,479.29 = 78,579.29 : x
  2. Step 2: Convert to fraction form
    116,254.01/160,479.29 = 78,579.29/x
  3. Step 3: Cross multiply
    116,254.01x = 160,479.29 × 78,579.29
  4. Step 4: Simplify right side
    116,254.01x = 12,610,348,275.01
  5. Step 5: Solve for x
    x = 12,610,348,275.01/116,254.01
  6. Step 6: Final answer
    x = 108,472.37

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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.