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Finding the Fourth Proportional to 179,321.77, 247,389.77 and 106,710.12

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Solution

The fourth proportional to 179,321.77, 247,389.77 and 106,710.12 is: 147,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,321.77 : 247,389.77 = 106,710.12 : x
  2. Step 2: Convert to fraction form
    179,321.77/247,389.77 = 106,710.12/x
  3. Step 3: Cross multiply
    179,321.77x = 247,389.77 × 106,710.12
  4. Step 4: Simplify right side
    179,321.77x = 26,398,991,509.92
  5. Step 5: Solve for x
    x = 26,398,991,509.92/179,321.77
  6. Step 6: Final answer
    x = 147,215.77

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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.