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Finding the Fourth Proportional to 233,438.40, 349,754.40 and 108,523.20

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Solution

The fourth proportional to 233,438.40, 349,754.40 and 108,523.20 is: 162,597.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,438.40 : 349,754.40 = 108,523.20 : x
  2. Step 2: Convert to fraction form
    233,438.40/349,754.40 = 108,523.20/x
  3. Step 3: Cross multiply
    233,438.40x = 349,754.40 × 108,523.20
  4. Step 4: Simplify right side
    233,438.40x = 37,956,466,702.08
  5. Step 5: Solve for x
    x = 37,956,466,702.08/233,438.40
  6. Step 6: Final answer
    x = 162,597.36

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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.