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Finding the Fourth Proportional to 146,448.59, 219,593.88 and 66,442.89

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Solution

The fourth proportional to 146,448.59, 219,593.88 and 66,442.89 is: 99,628.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,448.59 : 219,593.88 = 66,442.89 : x
  2. Step 2: Convert to fraction form
    146,448.59/219,593.88 = 66,442.89/x
  3. Step 3: Cross multiply
    146,448.59x = 219,593.88 × 66,442.89
  4. Step 4: Simplify right side
    146,448.59x = 14,590,452,013.51
  5. Step 5: Solve for x
    x = 14,590,452,013.51/146,448.59
  6. Step 6: Final answer
    x = 99,628.49

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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.