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Finding the Fourth Proportional to 111,926.80, 167,695.80 and 94,430.80

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Solution

The fourth proportional to 111,926.80, 167,695.80 and 94,430.80 is: 141,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,926.80 : 167,695.80 = 94,430.80 : x
  2. Step 2: Convert to fraction form
    111,926.80/167,695.80 = 94,430.80/x
  3. Step 3: Cross multiply
    111,926.80x = 167,695.80 × 94,430.80
  4. Step 4: Simplify right side
    111,926.80x = 15,835,648,550.64
  5. Step 5: Solve for x
    x = 15,835,648,550.64/111,926.80
  6. Step 6: Final answer
    x = 141,482.19

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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.