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Finding the Fourth Proportional to 161,188.40, 222,376.32 and 93,192.92

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Solution

The fourth proportional to 161,188.40, 222,376.32 and 93,192.92 is: 128,569.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,188.40 : 222,376.32 = 93,192.92 : x
  2. Step 2: Convert to fraction form
    161,188.40/222,376.32 = 93,192.92/x
  3. Step 3: Cross multiply
    161,188.40x = 222,376.32 × 93,192.92
  4. Step 4: Simplify right side
    161,188.40x = 20,723,898,599.65
  5. Step 5: Solve for x
    x = 20,723,898,599.65/161,188.40
  6. Step 6: Final answer
    x = 128,569.42

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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.