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Finding the Fourth Proportional to 161,060.65, 222,199.94 and 93,065.09

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Solution

The fourth proportional to 161,060.65, 222,199.94 and 93,065.09 is: 128,392.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,060.65 : 222,199.94 = 93,065.09 : x
  2. Step 2: Convert to fraction form
    161,060.65/222,199.94 = 93,065.09/x
  3. Step 3: Cross multiply
    161,060.65x = 222,199.94 × 93,065.09
  4. Step 4: Simplify right side
    161,060.65x = 20,679,056,535.76
  5. Step 5: Solve for x
    x = 20,679,056,535.76/161,060.65
  6. Step 6: Final answer
    x = 128,392.98

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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.