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Finding the Fourth Proportional to 228,061.40, 342,092.10 and 169,158.20

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Solution

The fourth proportional to 228,061.40, 342,092.10 and 169,158.20 is: 253,737.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,061.40 : 342,092.10 = 169,158.20 : x
  2. Step 2: Convert to fraction form
    228,061.40/342,092.10 = 169,158.20/x
  3. Step 3: Cross multiply
    228,061.40x = 342,092.10 × 169,158.20
  4. Step 4: Simplify right side
    228,061.40x = 57,867,683,870.22
  5. Step 5: Solve for x
    x = 57,867,683,870.22/228,061.40
  6. Step 6: Final answer
    x = 253,737.30

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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.