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Finding the Fourth Proportional to 602,138.88, 903,268.80 and 158,906.88

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Solution

The fourth proportional to 602,138.88, 903,268.80 and 158,906.88 is: 238,376.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,138.88 : 903,268.80 = 158,906.88 : x
  2. Step 2: Convert to fraction form
    602,138.88/903,268.80 = 158,906.88/x
  3. Step 3: Cross multiply
    602,138.88x = 903,268.80 × 158,906.88
  4. Step 4: Simplify right side
    602,138.88x = 143,535,626,809.34
  5. Step 5: Solve for x
    x = 143,535,626,809.34/602,138.88
  6. Step 6: Final answer
    x = 238,376.28

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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.