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Finding the Fourth Proportional to 159,417.44, 239,140.80 and 41,089.20

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Solution

The fourth proportional to 159,417.44, 239,140.80 and 41,089.20 is: 61,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,417.44 : 239,140.80 = 41,089.20 : x
  2. Step 2: Convert to fraction form
    159,417.44/239,140.80 = 41,089.20/x
  3. Step 3: Cross multiply
    159,417.44x = 239,140.80 × 41,089.20
  4. Step 4: Simplify right side
    159,417.44x = 9,826,104,159.36
  5. Step 5: Solve for x
    x = 9,826,104,159.36/159,417.44
  6. Step 6: Final answer
    x = 61,637.57

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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.