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Finding the Fourth Proportional to 160,410.19, 240,596.80 and 42,090.76

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Solution

The fourth proportional to 160,410.19, 240,596.80 and 42,090.76 is: 63,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,410.19 : 240,596.80 = 42,090.76 : x
  2. Step 2: Convert to fraction form
    160,410.19/240,596.80 = 42,090.76/x
  3. Step 3: Cross multiply
    160,410.19x = 240,596.80 × 42,090.76
  4. Step 4: Simplify right side
    160,410.19x = 10,126,902,165.57
  5. Step 5: Solve for x
    x = 10,126,902,165.57/160,410.19
  6. Step 6: Final answer
    x = 63,131.29

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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.