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Finding the Fourth Proportional to 75,472.42, 104,151.90 and 41,938.42

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Solution

The fourth proportional to 75,472.42, 104,151.90 and 41,938.42 is: 57,875.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,472.42 : 104,151.90 = 41,938.42 : x
  2. Step 2: Convert to fraction form
    75,472.42/104,151.90 = 41,938.42/x
  3. Step 3: Cross multiply
    75,472.42x = 104,151.90 × 41,938.42
  4. Step 4: Simplify right side
    75,472.42x = 4,367,966,126.00
  5. Step 5: Solve for x
    x = 4,367,966,126.00/75,472.42
  6. Step 6: Final answer
    x = 57,875.00

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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.