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Finding the Fourth Proportional to 146,048.10, 218,899.35 and 61,808.10

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Solution

The fourth proportional to 146,048.10, 218,899.35 and 61,808.10 is: 92,639.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,048.10 : 218,899.35 = 61,808.10 : x
  2. Step 2: Convert to fraction form
    146,048.10/218,899.35 = 61,808.10/x
  3. Step 3: Cross multiply
    146,048.10x = 218,899.35 × 61,808.10
  4. Step 4: Simplify right side
    146,048.10x = 13,529,752,914.74
  5. Step 5: Solve for x
    x = 13,529,752,914.74/146,048.10
  6. Step 6: Final answer
    x = 92,639.02

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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.