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Finding the Fourth Proportional to 201,359.40, 277,877.01 and 110,721.21

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Solution

The fourth proportional to 201,359.40, 277,877.01 and 110,721.21 is: 152,795.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,359.40 : 277,877.01 = 110,721.21 : x
  2. Step 2: Convert to fraction form
    201,359.40/277,877.01 = 110,721.21/x
  3. Step 3: Cross multiply
    201,359.40x = 277,877.01 × 110,721.21
  4. Step 4: Simplify right side
    201,359.40x = 30,766,878,778.38
  5. Step 5: Solve for x
    x = 30,766,878,778.38/201,359.40
  6. Step 6: Final answer
    x = 152,795.84

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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.