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Finding the Fourth Proportional to 228,900.42, 343,477.62 and 102,535.56

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Solution

The fourth proportional to 228,900.42, 343,477.62 and 102,535.56 is: 153,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,900.42 : 343,477.62 = 102,535.56 : x
  2. Step 2: Convert to fraction form
    228,900.42/343,477.62 = 102,535.56/x
  3. Step 3: Cross multiply
    228,900.42x = 343,477.62 × 102,535.56
  4. Step 4: Simplify right side
    228,900.42x = 35,218,670,114.17
  5. Step 5: Solve for x
    x = 35,218,670,114.17/228,900.42
  6. Step 6: Final answer
    x = 153,860.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.