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Finding the Fourth Proportional to 80,018.16, 119,986.14 and 46,803.12

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Solution

The fourth proportional to 80,018.16, 119,986.14 and 46,803.12 is: 70,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,018.16 : 119,986.14 = 46,803.12 : x
  2. Step 2: Convert to fraction form
    80,018.16/119,986.14 = 46,803.12/x
  3. Step 3: Cross multiply
    80,018.16x = 119,986.14 × 46,803.12
  4. Step 4: Simplify right side
    80,018.16x = 5,615,725,708.76
  5. Step 5: Solve for x
    x = 5,615,725,708.76/80,018.16
  6. Step 6: Final answer
    x = 70,180.64

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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.