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Finding the Fourth Proportional to 235,412.92, 324,940.98 and 160,005.16

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Solution

The fourth proportional to 235,412.92, 324,940.98 and 160,005.16 is: 220,855.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,412.92 : 324,940.98 = 160,005.16 : x
  2. Step 2: Convert to fraction form
    235,412.92/324,940.98 = 160,005.16/x
  3. Step 3: Cross multiply
    235,412.92x = 324,940.98 × 160,005.16
  4. Step 4: Simplify right side
    235,412.92x = 51,992,233,495.46
  5. Step 5: Solve for x
    x = 51,992,233,495.46/235,412.92
  6. Step 6: Final answer
    x = 220,855.48

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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.