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Finding the Fourth Proportional to 160,866.09, 222,005.70 and 92,885.93

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Solution

The fourth proportional to 160,866.09, 222,005.70 and 92,885.93 is: 128,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,866.09 : 222,005.70 = 92,885.93 : x
  2. Step 2: Convert to fraction form
    160,866.09/222,005.70 = 92,885.93/x
  3. Step 3: Cross multiply
    160,866.09x = 222,005.70 × 92,885.93
  4. Step 4: Simplify right side
    160,866.09x = 20,621,204,799.77
  5. Step 5: Solve for x
    x = 20,621,204,799.77/160,866.09
  6. Step 6: Final answer
    x = 128,188.64

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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.