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Finding the Fourth Proportional to 602,187.94, 903,274.08 and 146,781.44

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Solution

The fourth proportional to 602,187.94, 903,274.08 and 146,781.44 is: 220,170.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,187.94 : 903,274.08 = 146,781.44 : x
  2. Step 2: Convert to fraction form
    602,187.94/903,274.08 = 146,781.44/x
  3. Step 3: Cross multiply
    602,187.94x = 903,274.08 × 146,781.44
  4. Step 4: Simplify right side
    602,187.94x = 132,583,870,177.08
  5. Step 5: Solve for x
    x = 132,583,870,177.08/602,187.94
  6. Step 6: Final answer
    x = 220,170.25

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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.