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Finding the Fourth Proportional to 84,533.67, 116,630.01 and 48,718.79

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Solution

The fourth proportional to 84,533.67, 116,630.01 and 48,718.79 is: 67,216.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,533.67 : 116,630.01 = 48,718.79 : x
  2. Step 2: Convert to fraction form
    84,533.67/116,630.01 = 48,718.79/x
  3. Step 3: Cross multiply
    84,533.67x = 116,630.01 × 48,718.79
  4. Step 4: Simplify right side
    84,533.67x = 5,682,072,381.74
  5. Step 5: Solve for x
    x = 5,682,072,381.74/84,533.67
  6. Step 6: Final answer
    x = 67,216.68

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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.