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Finding the Fourth Proportional to 228,270.48, 315,081.08 and 147,695.95

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Solution

The fourth proportional to 228,270.48, 315,081.08 and 147,695.95 is: 203,864.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,270.48 : 315,081.08 = 147,695.95 : x
  2. Step 2: Convert to fraction form
    228,270.48/315,081.08 = 147,695.95/x
  3. Step 3: Cross multiply
    228,270.48x = 315,081.08 × 147,695.95
  4. Step 4: Simplify right side
    228,270.48x = 46,536,199,437.63
  5. Step 5: Solve for x
    x = 46,536,199,437.63/228,270.48
  6. Step 6: Final answer
    x = 203,864.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.