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Finding the Fourth Proportional to 249,424.48, 374,039.67 and 80,904.05

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Solution

The fourth proportional to 249,424.48, 374,039.67 and 80,904.05 is: 121,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,424.48 : 374,039.67 = 80,904.05 : x
  2. Step 2: Convert to fraction form
    249,424.48/374,039.67 = 80,904.05/x
  3. Step 3: Cross multiply
    249,424.48x = 374,039.67 × 80,904.05
  4. Step 4: Simplify right side
    249,424.48x = 30,261,324,163.66
  5. Step 5: Solve for x
    x = 30,261,324,163.66/249,424.48
  6. Step 6: Final answer
    x = 121,324.60

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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.