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Finding the Fourth Proportional to 228,010.28, 342,015.42 and 61,798.28

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Solution

The fourth proportional to 228,010.28, 342,015.42 and 61,798.28 is: 92,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,010.28 : 342,015.42 = 61,798.28 : x
  2. Step 2: Convert to fraction form
    228,010.28/342,015.42 = 61,798.28/x
  3. Step 3: Cross multiply
    228,010.28x = 342,015.42 × 61,798.28
  4. Step 4: Simplify right side
    228,010.28x = 21,135,964,689.48
  5. Step 5: Solve for x
    x = 21,135,964,689.48/228,010.28
  6. Step 6: Final answer
    x = 92,697.42

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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.