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Finding the Fourth Proportional to 160,927.40, 241,391.10 and 105,221.80

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Solution

The fourth proportional to 160,927.40, 241,391.10 and 105,221.80 is: 157,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,927.40 : 241,391.10 = 105,221.80 : x
  2. Step 2: Convert to fraction form
    160,927.40/241,391.10 = 105,221.80/x
  3. Step 3: Cross multiply
    160,927.40x = 241,391.10 × 105,221.80
  4. Step 4: Simplify right side
    160,927.40x = 25,399,606,045.98
  5. Step 5: Solve for x
    x = 25,399,606,045.98/160,927.40
  6. Step 6: Final answer
    x = 157,832.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.