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Finding the Fourth Proportional to 104,038.34, 155,963.82 and 37,431.64

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Solution

The fourth proportional to 104,038.34, 155,963.82 and 37,431.64 is: 56,113.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,038.34 : 155,963.82 = 37,431.64 : x
  2. Step 2: Convert to fraction form
    104,038.34/155,963.82 = 37,431.64/x
  3. Step 3: Cross multiply
    104,038.34x = 155,963.82 × 37,431.64
  4. Step 4: Simplify right side
    104,038.34x = 5,837,981,563.26
  5. Step 5: Solve for x
    x = 5,837,981,563.26/104,038.34
  6. Step 6: Final answer
    x = 56,113.75

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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.