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Finding the Fourth Proportional to 73,130.84, 109,700.16 and 23,214.80

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Solution

The fourth proportional to 73,130.84, 109,700.16 and 23,214.80 is: 34,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,130.84 : 109,700.16 = 23,214.80 : x
  2. Step 2: Convert to fraction form
    73,130.84/109,700.16 = 23,214.80/x
  3. Step 3: Cross multiply
    73,130.84x = 109,700.16 × 23,214.80
  4. Step 4: Simplify right side
    73,130.84x = 2,546,667,274.37
  5. Step 5: Solve for x
    x = 2,546,667,274.37/73,130.84
  6. Step 6: Final answer
    x = 34,823.44

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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.