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Finding the Fourth Proportional to 253,679.04, 380,442.62 and 159,053.02

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Solution

The fourth proportional to 253,679.04, 380,442.62 and 159,053.02 is: 238,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,679.04 : 380,442.62 = 159,053.02 : x
  2. Step 2: Convert to fraction form
    253,679.04/380,442.62 = 159,053.02/x
  3. Step 3: Cross multiply
    253,679.04x = 380,442.62 × 159,053.02
  4. Step 4: Simplify right side
    253,679.04x = 60,510,547,094.24
  5. Step 5: Solve for x
    x = 60,510,547,094.24/253,679.04
  6. Step 6: Final answer
    x = 238,531.91

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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.