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Finding the Fourth Proportional to 163,345.76, 244,863.12 and 52,460

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Solution

The fourth proportional to 163,345.76, 244,863.12 and 52,460 is: 78,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,345.76 : 244,863.12 = 52,460 : x
  2. Step 2: Convert to fraction form
    163,345.76/244,863.12 = 52,460/x
  3. Step 3: Cross multiply
    163,345.76x = 244,863.12 × 52,460
  4. Step 4: Simplify right side
    163,345.76x = 12,845,519,275.20
  5. Step 5: Solve for x
    x = 12,845,519,275.20/163,345.76
  6. Step 6: Final answer
    x = 78,640.05

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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.