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Finding the Fourth Proportional to 228,149.72, 342,282.91 and 94,985.72

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Solution

The fourth proportional to 228,149.72, 342,282.91 and 94,985.72 is: 142,502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,149.72 : 342,282.91 = 94,985.72 : x
  2. Step 2: Convert to fraction form
    228,149.72/342,282.91 = 94,985.72/x
  3. Step 3: Cross multiply
    228,149.72x = 342,282.91 × 94,985.72
  4. Step 4: Simplify right side
    228,149.72x = 32,511,988,650.05
  5. Step 5: Solve for x
    x = 32,511,988,650.05/228,149.72
  6. Step 6: Final answer
    x = 142,502.86

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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.