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Finding the Fourth Proportional to 160,895.60, 222,079.00 and 100,429.83

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Solution

The fourth proportional to 160,895.60, 222,079.00 and 100,429.83 is: 138,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,895.60 : 222,079.00 = 100,429.83 : x
  2. Step 2: Convert to fraction form
    160,895.60/222,079.00 = 100,429.83/x
  3. Step 3: Cross multiply
    160,895.60x = 222,079.00 × 100,429.83
  4. Step 4: Simplify right side
    160,895.60x = 22,303,356,415.87
  5. Step 5: Solve for x
    x = 22,303,356,415.87/160,895.60
  6. Step 6: Final answer
    x = 138,620.05

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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.