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Finding the Fourth Proportional to 292,937.12, 404,260.85 and 163,871.32

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Solution

The fourth proportional to 292,937.12, 404,260.85 and 163,871.32 is: 226,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,937.12 : 404,260.85 = 163,871.32 : x
  2. Step 2: Convert to fraction form
    292,937.12/404,260.85 = 163,871.32/x
  3. Step 3: Cross multiply
    292,937.12x = 404,260.85 × 163,871.32
  4. Step 4: Simplify right side
    292,937.12x = 66,246,759,113.82
  5. Step 5: Solve for x
    x = 66,246,759,113.82/292,937.12
  6. Step 6: Final answer
    x = 226,146.69

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1.5x scale

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.