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Finding the Fourth Proportional to 86,937.73, 119,977.02 and 48,698.91

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Solution

The fourth proportional to 86,937.73, 119,977.02 and 48,698.91 is: 67,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,937.73 : 119,977.02 = 48,698.91 : x
  2. Step 2: Convert to fraction form
    86,937.73/119,977.02 = 48,698.91/x
  3. Step 3: Cross multiply
    86,937.73x = 119,977.02 × 48,698.91
  4. Step 4: Simplify right side
    86,937.73x = 5,842,750,099.05
  5. Step 5: Solve for x
    x = 5,842,750,099.05/86,937.73
  6. Step 6: Final answer
    x = 67,206.15

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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.