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Finding the Fourth Proportional to 228,632.10, 342,948.15 and 95,511.30

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Solution

The fourth proportional to 228,632.10, 342,948.15 and 95,511.30 is: 143,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,632.10 : 342,948.15 = 95,511.30 : x
  2. Step 2: Convert to fraction form
    228,632.10/342,948.15 = 95,511.30/x
  3. Step 3: Cross multiply
    228,632.10x = 342,948.15 × 95,511.30
  4. Step 4: Simplify right side
    228,632.10x = 32,755,423,639.10
  5. Step 5: Solve for x
    x = 32,755,423,639.10/228,632.10
  6. Step 6: Final answer
    x = 143,266.95

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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.