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Finding the Fourth Proportional to 201,477.56, 278,028.10 and 110,818.90

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Solution

The fourth proportional to 201,477.56, 278,028.10 and 110,818.90 is: 152,924.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,477.56 : 278,028.10 = 110,818.90 : x
  2. Step 2: Convert to fraction form
    201,477.56/278,028.10 = 110,818.90/x
  3. Step 3: Cross multiply
    201,477.56x = 278,028.10 × 110,818.90
  4. Step 4: Simplify right side
    201,477.56x = 30,810,768,211.09
  5. Step 5: Solve for x
    x = 30,810,768,211.09/201,477.56
  6. Step 6: Final answer
    x = 152,924.07

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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.