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Finding the Fourth Proportional to 201,377.34, 277,940.97 and 153,545.22

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Solution

The fourth proportional to 201,377.34, 277,940.97 and 153,545.22 is: 211,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,377.34 : 277,940.97 = 153,545.22 : x
  2. Step 2: Convert to fraction form
    201,377.34/277,940.97 = 153,545.22/x
  3. Step 3: Cross multiply
    201,377.34x = 277,940.97 × 153,545.22
  4. Step 4: Simplify right side
    201,377.34x = 42,676,507,385.66
  5. Step 5: Solve for x
    x = 42,676,507,385.66/201,377.34
  6. Step 6: Final answer
    x = 211,923.09

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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.