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Finding the Fourth Proportional to 228,174.60, 341,605.80 and 139,601.10

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Solution

The fourth proportional to 228,174.60, 341,605.80 and 139,601.10 is: 209,000.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,174.60 : 341,605.80 = 139,601.10 : x
  2. Step 2: Convert to fraction form
    228,174.60/341,605.80 = 139,601.10/x
  3. Step 3: Cross multiply
    228,174.60x = 341,605.80 × 139,601.10
  4. Step 4: Simplify right side
    228,174.60x = 47,688,545,446.38
  5. Step 5: Solve for x
    x = 47,688,545,446.38/228,174.60
  6. Step 6: Final answer
    x = 209,000.24

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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.