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Finding the Fourth Proportional to 201,387.69, 277,919.51 and 110,737.89

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Solution

The fourth proportional to 201,387.69, 277,919.51 and 110,737.89 is: 152,820.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,387.69 : 277,919.51 = 110,737.89 : x
  2. Step 2: Convert to fraction form
    201,387.69/277,919.51 = 110,737.89/x
  3. Step 3: Cross multiply
    201,387.69x = 277,919.51 × 110,737.89
  4. Step 4: Simplify right side
    201,387.69x = 30,776,220,127.23
  5. Step 5: Solve for x
    x = 30,776,220,127.23/201,387.69
  6. Step 6: Final answer
    x = 152,820.76

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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.