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Finding the Fourth Proportional to 175,158.55, 241,719.54 and 98,678.56

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Solution

The fourth proportional to 175,158.55, 241,719.54 and 98,678.56 is: 136,176.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,158.55 : 241,719.54 = 98,678.56 : x
  2. Step 2: Convert to fraction form
    175,158.55/241,719.54 = 98,678.56/x
  3. Step 3: Cross multiply
    175,158.55x = 241,719.54 × 98,678.56
  4. Step 4: Simplify right side
    175,158.55x = 23,852,536,131.06
  5. Step 5: Solve for x
    x = 23,852,536,131.06/175,158.55
  6. Step 6: Final answer
    x = 136,176.83

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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.