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Finding the Fourth Proportional to 249,381.44, 374,124.77 and 80,888.69

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Solution

The fourth proportional to 249,381.44, 374,124.77 and 80,888.69 is: 121,350.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,381.44 : 374,124.77 = 80,888.69 : x
  2. Step 2: Convert to fraction form
    249,381.44/374,124.77 = 80,888.69/x
  3. Step 3: Cross multiply
    249,381.44x = 374,124.77 × 80,888.69
  4. Step 4: Simplify right side
    249,381.44x = 30,262,460,873.45
  5. Step 5: Solve for x
    x = 30,262,460,873.45/249,381.44
  6. Step 6: Final answer
    x = 121,350.09

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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.