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Finding the Fourth Proportional to 112,433.80, 168,764.82 and 56,314.12

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Solution

The fourth proportional to 112,433.80, 168,764.82 and 56,314.12 is: 84,528.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,433.80 : 168,764.82 = 56,314.12 : x
  2. Step 2: Convert to fraction form
    112,433.80/168,764.82 = 56,314.12/x
  3. Step 3: Cross multiply
    112,433.80x = 168,764.82 × 56,314.12
  4. Step 4: Simplify right side
    112,433.80x = 9,503,842,325.26
  5. Step 5: Solve for x
    x = 9,503,842,325.26/112,433.80
  6. Step 6: Final answer
    x = 84,528.34

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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.