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Finding the Fourth Proportional to 183,960.71, 253,808.71 and 107,424.60

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Solution

The fourth proportional to 183,960.71, 253,808.71 and 107,424.60 is: 148,212.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,960.71 : 253,808.71 = 107,424.60 : x
  2. Step 2: Convert to fraction form
    183,960.71/253,808.71 = 107,424.60/x
  3. Step 3: Cross multiply
    183,960.71x = 253,808.71 × 107,424.60
  4. Step 4: Simplify right side
    183,960.71x = 27,265,299,148.27
  5. Step 5: Solve for x
    x = 27,265,299,148.27/183,960.71
  6. Step 6: Final answer
    x = 148,212.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.