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Finding the Fourth Proportional to 249,647.42, 374,471.14 and 83,435.42

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Solution

The fourth proportional to 249,647.42, 374,471.14 and 83,435.42 is: 125,153.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,647.42 : 374,471.14 = 83,435.42 : x
  2. Step 2: Convert to fraction form
    249,647.42/374,471.14 = 83,435.42/x
  3. Step 3: Cross multiply
    249,647.42x = 374,471.14 × 83,435.42
  4. Step 4: Simplify right side
    249,647.42x = 31,244,156,843.78
  5. Step 5: Solve for x
    x = 31,244,156,843.78/249,647.42
  6. Step 6: Final answer
    x = 125,153.13

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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.