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Finding the Fourth Proportional to 75,551.66, 113,276.37 and 42,294.68

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Solution

The fourth proportional to 75,551.66, 113,276.37 and 42,294.68 is: 63,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,551.66 : 113,276.37 = 42,294.68 : x
  2. Step 2: Convert to fraction form
    75,551.66/113,276.37 = 42,294.68/x
  3. Step 3: Cross multiply
    75,551.66x = 113,276.37 × 42,294.68
  4. Step 4: Simplify right side
    75,551.66x = 4,790,987,820.71
  5. Step 5: Solve for x
    x = 4,790,987,820.71/75,551.66
  6. Step 6: Final answer
    x = 63,413.40

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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.