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Finding the Fourth Proportional to 111,961.04, 167,122.42 and 98,675.48

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Solution

The fourth proportional to 111,961.04, 167,122.42 and 98,675.48 is: 147,291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,961.04 : 167,122.42 = 98,675.48 : x
  2. Step 2: Convert to fraction form
    111,961.04/167,122.42 = 98,675.48/x
  3. Step 3: Cross multiply
    111,961.04x = 167,122.42 × 98,675.48
  4. Step 4: Simplify right side
    111,961.04x = 16,490,885,012.26
  5. Step 5: Solve for x
    x = 16,490,885,012.26/111,961.04
  6. Step 6: Final answer
    x = 147,291.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.