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Finding the Fourth Proportional to 161,283.03, 241,950.06 and 42,963.90

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Solution

The fourth proportional to 161,283.03, 241,950.06 and 42,963.90 is: 64,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,283.03 : 241,950.06 = 42,963.90 : x
  2. Step 2: Convert to fraction form
    161,283.03/241,950.06 = 42,963.90/x
  3. Step 3: Cross multiply
    161,283.03x = 241,950.06 × 42,963.90
  4. Step 4: Simplify right side
    161,283.03x = 10,395,118,182.83
  5. Step 5: Solve for x
    x = 10,395,118,182.83/161,283.03
  6. Step 6: Final answer
    x = 64,452.65

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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.