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Finding the Fourth Proportional to 192,325.79, 288,459.51 and 67,637.63

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Solution

The fourth proportional to 192,325.79, 288,459.51 and 67,637.63 is: 101,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,325.79 : 288,459.51 = 67,637.63 : x
  2. Step 2: Convert to fraction form
    192,325.79/288,459.51 = 67,637.63/x
  3. Step 3: Cross multiply
    192,325.79x = 288,459.51 × 67,637.63
  4. Step 4: Simplify right side
    192,325.79x = 19,510,716,165.06
  5. Step 5: Solve for x
    x = 19,510,716,165.06/192,325.79
  6. Step 6: Final answer
    x = 101,446.18

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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.