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Finding the Fourth Proportional to 248,280.68, 342,743.46 and 158,908.52

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Solution

The fourth proportional to 248,280.68, 342,743.46 and 158,908.52 is: 219,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,280.68 : 342,743.46 = 158,908.52 : x
  2. Step 2: Convert to fraction form
    248,280.68/342,743.46 = 158,908.52/x
  3. Step 3: Cross multiply
    248,280.68x = 342,743.46 × 158,908.52
  4. Step 4: Simplify right side
    248,280.68x = 54,464,855,968.28
  5. Step 5: Solve for x
    x = 54,464,855,968.28/248,280.68
  6. Step 6: Final answer
    x = 219,368.08

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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.