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Finding the Fourth Proportional to 75,752.70, 113,410.35 and 46,228.20

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Solution

The fourth proportional to 75,752.70, 113,410.35 and 46,228.20 is: 69,208.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,752.70 : 113,410.35 = 46,228.20 : x
  2. Step 2: Convert to fraction form
    75,752.70/113,410.35 = 46,228.20/x
  3. Step 3: Cross multiply
    75,752.70x = 113,410.35 × 46,228.20
  4. Step 4: Simplify right side
    75,752.70x = 5,242,756,341.87
  5. Step 5: Solve for x
    x = 5,242,756,341.87/75,752.70
  6. Step 6: Final answer
    x = 69,208.84

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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.