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Finding the Fourth Proportional to 248,176.68, 372,123.78 and 169,386.36

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Solution

The fourth proportional to 248,176.68, 372,123.78 and 169,386.36 is: 253,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,176.68 : 372,123.78 = 169,386.36 : x
  2. Step 2: Convert to fraction form
    248,176.68/372,123.78 = 169,386.36/x
  3. Step 3: Cross multiply
    248,176.68x = 372,123.78 × 169,386.36
  4. Step 4: Simplify right side
    248,176.68x = 63,032,692,563.64
  5. Step 5: Solve for x
    x = 63,032,692,563.64/248,176.68
  6. Step 6: Final answer
    x = 253,983.14

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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.