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Finding the Fourth Proportional to 223,871.52, 308,848.40 and 148,288.80

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Solution

The fourth proportional to 223,871.52, 308,848.40 and 148,288.80 is: 204,576.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,871.52 : 308,848.40 = 148,288.80 : x
  2. Step 2: Convert to fraction form
    223,871.52/308,848.40 = 148,288.80/x
  3. Step 3: Cross multiply
    223,871.52x = 308,848.40 × 148,288.80
  4. Step 4: Simplify right side
    223,871.52x = 45,798,758,617.92
  5. Step 5: Solve for x
    x = 45,798,758,617.92/223,871.52
  6. Step 6: Final answer
    x = 204,576.08

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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.