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Finding the Fourth Proportional to 201,288.72, 277,775.34 and 110,642.74

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Solution

The fourth proportional to 201,288.72, 277,775.34 and 110,642.74 is: 152,685.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,288.72 : 277,775.34 = 110,642.74 : x
  2. Step 2: Convert to fraction form
    201,288.72/277,775.34 = 110,642.74/x
  3. Step 3: Cross multiply
    201,288.72x = 277,775.34 × 110,642.74
  4. Step 4: Simplify right side
    201,288.72x = 30,733,824,722.03
  5. Step 5: Solve for x
    x = 30,733,824,722.03/201,288.72
  6. Step 6: Final answer
    x = 152,685.28

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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.