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Finding the Fourth Proportional to 249,636.42, 374,454.63 and 83,424.42

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Solution

The fourth proportional to 249,636.42, 374,454.63 and 83,424.42 is: 125,136.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,636.42 : 374,454.63 = 83,424.42 : x
  2. Step 2: Convert to fraction form
    249,636.42/374,454.63 = 83,424.42/x
  3. Step 3: Cross multiply
    249,636.42x = 374,454.63 × 83,424.42
  4. Step 4: Simplify right side
    249,636.42x = 31,238,660,324.06
  5. Step 5: Solve for x
    x = 31,238,660,324.06/249,636.42
  6. Step 6: Final answer
    x = 125,136.63

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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.