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Finding the Fourth Proportional to 158,543.65, 218,799.19 and 94,051.07

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Solution

The fourth proportional to 158,543.65, 218,799.19 and 94,051.07 is: 129,795.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,543.65 : 218,799.19 = 94,051.07 : x
  2. Step 2: Convert to fraction form
    158,543.65/218,799.19 = 94,051.07/x
  3. Step 3: Cross multiply
    158,543.65x = 218,799.19 × 94,051.07
  4. Step 4: Simplify right side
    158,543.65x = 20,578,299,009.44
  5. Step 5: Solve for x
    x = 20,578,299,009.44/158,543.65
  6. Step 6: Final answer
    x = 129,795.79

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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.