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Finding the Fourth Proportional to 144,363.21, 216,581.72 and 60,095.36

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Solution

The fourth proportional to 144,363.21, 216,581.72 and 60,095.36 is: 90,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,363.21 : 216,581.72 = 60,095.36 : x
  2. Step 2: Convert to fraction form
    144,363.21/216,581.72 = 60,095.36/x
  3. Step 3: Cross multiply
    144,363.21x = 216,581.72 × 60,095.36
  4. Step 4: Simplify right side
    144,363.21x = 13,015,556,432.82
  5. Step 5: Solve for x
    x = 13,015,556,432.82/144,363.21
  6. Step 6: Final answer
    x = 90,158.40

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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.