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Finding the Fourth Proportional to 345,384.28, 518,105.56 and 96,066.28

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Solution

The fourth proportional to 345,384.28, 518,105.56 and 96,066.28 is: 144,107.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,384.28 : 518,105.56 = 96,066.28 : x
  2. Step 2: Convert to fraction form
    345,384.28/518,105.56 = 96,066.28/x
  3. Step 3: Cross multiply
    345,384.28x = 518,105.56 × 96,066.28
  4. Step 4: Simplify right side
    345,384.28x = 49,772,473,796.52
  5. Step 5: Solve for x
    x = 49,772,473,796.52/345,384.28
  6. Step 6: Final answer
    x = 144,107.53

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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.