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Finding the Fourth Proportional to 265,703.72, 366,799.91 and 168,981.77

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Solution

The fourth proportional to 265,703.72, 366,799.91 and 168,981.77 is: 233,276.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,703.72 : 366,799.91 = 168,981.77 : x
  2. Step 2: Convert to fraction form
    265,703.72/366,799.91 = 168,981.77/x
  3. Step 3: Cross multiply
    265,703.72x = 366,799.91 × 168,981.77
  4. Step 4: Simplify right side
    265,703.72x = 61,982,495,348.73
  5. Step 5: Solve for x
    x = 61,982,495,348.73/265,703.72
  6. Step 6: Final answer
    x = 233,276.74

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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.