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Finding the Fourth Proportional to 78,482.22, 108,303.19 and 44,493.85

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Solution

The fourth proportional to 78,482.22, 108,303.19 and 44,493.85 is: 61,400.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,482.22 : 108,303.19 = 44,493.85 : x
  2. Step 2: Convert to fraction form
    78,482.22/108,303.19 = 44,493.85/x
  3. Step 3: Cross multiply
    78,482.22x = 108,303.19 × 44,493.85
  4. Step 4: Simplify right side
    78,482.22x = 4,818,825,890.38
  5. Step 5: Solve for x
    x = 4,818,825,890.38/78,482.22
  6. Step 6: Final answer
    x = 61,400.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.