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Finding the Fourth Proportional to 117,316.48, 161,908.48 and 67,023.04

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Solution

The fourth proportional to 117,316.48, 161,908.48 and 67,023.04 is: 92,498.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,316.48 : 161,908.48 = 67,023.04 : x
  2. Step 2: Convert to fraction form
    117,316.48/161,908.48 = 67,023.04/x
  3. Step 3: Cross multiply
    117,316.48x = 161,908.48 × 67,023.04
  4. Step 4: Simplify right side
    117,316.48x = 10,851,598,531.38
  5. Step 5: Solve for x
    x = 10,851,598,531.38/117,316.48
  6. Step 6: Final answer
    x = 92,498.50

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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.