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Finding the Fourth Proportional to 103,349.10, 155,024.52 and 28,473.42

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Solution

The fourth proportional to 103,349.10, 155,024.52 and 28,473.42 is: 42,710.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,349.10 : 155,024.52 = 28,473.42 : x
  2. Step 2: Convert to fraction form
    103,349.10/155,024.52 = 28,473.42/x
  3. Step 3: Cross multiply
    103,349.10x = 155,024.52 × 28,473.42
  4. Step 4: Simplify right side
    103,349.10x = 4,414,078,268.26
  5. Step 5: Solve for x
    x = 4,414,078,268.26/103,349.10
  6. Step 6: Final answer
    x = 42,710.37

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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.