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Finding the Fourth Proportional to 237,987, 357,089.40 and 103,092.30

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Solution

The fourth proportional to 237,987, 357,089.40 and 103,092.30 is: 154,685.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,987 : 357,089.40 = 103,092.30 : x
  2. Step 2: Convert to fraction form
    237,987/357,089.40 = 103,092.30/x
  3. Step 3: Cross multiply
    237,987x = 357,089.40 × 103,092.30
  4. Step 4: Simplify right side
    237,987x = 36,813,167,551.62
  5. Step 5: Solve for x
    x = 36,813,167,551.62/237,987
  6. Step 6: Final answer
    x = 154,685.62

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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.