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Finding the Fourth Proportional to 111,616.42, 154,032.30 and 60,630.11

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Solution

The fourth proportional to 111,616.42, 154,032.30 and 60,630.11 is: 83,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,616.42 : 154,032.30 = 60,630.11 : x
  2. Step 2: Convert to fraction form
    111,616.42/154,032.30 = 60,630.11/x
  3. Step 3: Cross multiply
    111,616.42x = 154,032.30 × 60,630.11
  4. Step 4: Simplify right side
    111,616.42x = 9,338,995,292.55
  5. Step 5: Solve for x
    x = 9,338,995,292.55/111,616.42
  6. Step 6: Final answer
    x = 83,670.44

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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.