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Finding the Fourth Proportional to 228,000.56, 342,070.08 and 161,569.20

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Solution

The fourth proportional to 228,000.56, 342,070.08 and 161,569.20 is: 242,402.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,000.56 : 342,070.08 = 161,569.20 : x
  2. Step 2: Convert to fraction form
    228,000.56/342,070.08 = 161,569.20/x
  3. Step 3: Cross multiply
    228,000.56x = 342,070.08 × 161,569.20
  4. Step 4: Simplify right side
    228,000.56x = 55,267,989,169.54
  5. Step 5: Solve for x
    x = 55,267,989,169.54/228,000.56
  6. Step 6: Final answer
    x = 242,402.87

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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.