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Finding the Fourth Proportional to 192,416.40, 288,656.19 and 59,296.68

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Solution

The fourth proportional to 192,416.40, 288,656.19 and 59,296.68 is: 88,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,416.40 : 288,656.19 = 59,296.68 : x
  2. Step 2: Convert to fraction form
    192,416.40/288,656.19 = 59,296.68/x
  3. Step 3: Cross multiply
    192,416.40x = 288,656.19 × 59,296.68
  4. Step 4: Simplify right side
    192,416.40x = 17,116,353,728.45
  5. Step 5: Solve for x
    x = 17,116,353,728.45/192,416.40
  6. Step 6: Final answer
    x = 88,954.76

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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.