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Finding the Fourth Proportional to 154,807.62, 232,314.99 and 56,311.62

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Solution

The fourth proportional to 154,807.62, 232,314.99 and 56,311.62 is: 84,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,807.62 : 232,314.99 = 56,311.62 : x
  2. Step 2: Convert to fraction form
    154,807.62/232,314.99 = 56,311.62/x
  3. Step 3: Cross multiply
    154,807.62x = 232,314.99 × 56,311.62
  4. Step 4: Simplify right side
    154,807.62x = 13,082,033,437.18
  5. Step 5: Solve for x
    x = 13,082,033,437.18/154,807.62
  6. Step 6: Final answer
    x = 84,505.10

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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.