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Finding the Fourth Proportional to 84,803.15, 127,216.10 and 44,841.47

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Solution

The fourth proportional to 84,803.15, 127,216.10 and 44,841.47 is: 67,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,803.15 : 127,216.10 = 44,841.47 : x
  2. Step 2: Convert to fraction form
    84,803.15/127,216.10 = 44,841.47/x
  3. Step 3: Cross multiply
    84,803.15x = 127,216.10 × 44,841.47
  4. Step 4: Simplify right side
    84,803.15x = 5,704,556,407.69
  5. Step 5: Solve for x
    x = 5,704,556,407.69/84,803.15
  6. Step 6: Final answer
    x = 67,268.21

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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.