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Finding the Fourth Proportional to 121,616.04, 182,300.04 and 68,914.20

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Solution

The fourth proportional to 121,616.04, 182,300.04 and 68,914.20 is: 103,301.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,616.04 : 182,300.04 = 68,914.20 : x
  2. Step 2: Convert to fraction form
    121,616.04/182,300.04 = 68,914.20/x
  3. Step 3: Cross multiply
    121,616.04x = 182,300.04 × 68,914.20
  4. Step 4: Simplify right side
    121,616.04x = 12,563,061,416.57
  5. Step 5: Solve for x
    x = 12,563,061,416.57/121,616.04
  6. Step 6: Final answer
    x = 103,301.02

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1.5x scale

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.