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Finding the Fourth Proportional to 111,599.88, 154,008.95 and 60,613.09

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Solution

The fourth proportional to 111,599.88, 154,008.95 and 60,613.09 is: 83,646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,599.88 : 154,008.95 = 60,613.09 : x
  2. Step 2: Convert to fraction form
    111,599.88/154,008.95 = 60,613.09/x
  3. Step 3: Cross multiply
    111,599.88x = 154,008.95 × 60,613.09
  4. Step 4: Simplify right side
    111,599.88x = 9,334,957,659.07
  5. Step 5: Solve for x
    x = 9,334,957,659.07/111,599.88
  6. Step 6: Final answer
    x = 83,646.67

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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.