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Finding the Fourth Proportional to 122,348.42, 168,827.62 and 70,662.32

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Solution

The fourth proportional to 122,348.42, 168,827.62 and 70,662.32 is: 97,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,348.42 : 168,827.62 = 70,662.32 : x
  2. Step 2: Convert to fraction form
    122,348.42/168,827.62 = 70,662.32/x
  3. Step 3: Cross multiply
    122,348.42x = 168,827.62 × 70,662.32
  4. Step 4: Simplify right side
    122,348.42x = 11,929,751,309.28
  5. Step 5: Solve for x
    x = 11,929,751,309.28/122,348.42
  6. Step 6: Final answer
    x = 97,506.38

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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.