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Finding the Fourth Proportional to 154,805.62, 232,311.99 and 56,309.62

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Solution

The fourth proportional to 154,805.62, 232,311.99 and 56,309.62 is: 84,502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,805.62 : 232,311.99 = 56,309.62 : x
  2. Step 2: Convert to fraction form
    154,805.62/232,311.99 = 56,309.62/x
  3. Step 3: Cross multiply
    154,805.62x = 232,311.99 × 56,309.62
  4. Step 4: Simplify right side
    154,805.62x = 13,081,399,878.34
  5. Step 5: Solve for x
    x = 13,081,399,878.34/154,805.62
  6. Step 6: Final answer
    x = 84,502.10

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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.