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Finding the Fourth Proportional to 122,316.48, 168,794.08 and 68,600.32

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Solution

The fourth proportional to 122,316.48, 168,794.08 and 68,600.32 is: 94,666.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,316.48 : 168,794.08 = 68,600.32 : x
  2. Step 2: Convert to fraction form
    122,316.48/168,794.08 = 68,600.32/x
  3. Step 3: Cross multiply
    122,316.48x = 168,794.08 × 68,600.32
  4. Step 4: Simplify right side
    122,316.48x = 11,579,327,308.62
  5. Step 5: Solve for x
    x = 11,579,327,308.62/122,316.48
  6. Step 6: Final answer
    x = 94,666.94

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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.