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Finding the Fourth Proportional to 78,167.51, 117,258.18 and 22,008.10

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Solution

The fourth proportional to 78,167.51, 117,258.18 and 22,008.10 is: 33,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,167.51 : 117,258.18 = 22,008.10 : x
  2. Step 2: Convert to fraction form
    78,167.51/117,258.18 = 22,008.10/x
  3. Step 3: Cross multiply
    78,167.51x = 117,258.18 × 22,008.10
  4. Step 4: Simplify right side
    78,167.51x = 2,580,629,719.24
  5. Step 5: Solve for x
    x = 2,580,629,719.24/78,167.51
  6. Step 6: Final answer
    x = 33,014.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.