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Finding the Fourth Proportional to 268,415.52, 402,328.04 and 110,557.86

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Solution

The fourth proportional to 268,415.52, 402,328.04 and 110,557.86 is: 165,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,415.52 : 402,328.04 = 110,557.86 : x
  2. Step 2: Convert to fraction form
    268,415.52/402,328.04 = 110,557.86/x
  3. Step 3: Cross multiply
    268,415.52x = 402,328.04 × 110,557.86
  4. Step 4: Simplify right side
    268,415.52x = 44,480,527,632.91
  5. Step 5: Solve for x
    x = 44,480,527,632.91/268,415.52
  6. Step 6: Final answer
    x = 165,715.18

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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.