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Finding the Fourth Proportional to 192,037.57, 288,090.47 and 65,691.79

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Solution

The fourth proportional to 192,037.57, 288,090.47 and 65,691.79 is: 98,549.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,037.57 : 288,090.47 = 65,691.79 : x
  2. Step 2: Convert to fraction form
    192,037.57/288,090.47 = 65,691.79/x
  3. Step 3: Cross multiply
    192,037.57x = 288,090.47 × 65,691.79
  4. Step 4: Simplify right side
    192,037.57x = 18,925,178,656.24
  5. Step 5: Solve for x
    x = 18,925,178,656.24/192,037.57
  6. Step 6: Final answer
    x = 98,549.35

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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.