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Finding the Fourth Proportional to 224,901.48, 336,569.76 and 139,472.40

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Solution

The fourth proportional to 224,901.48, 336,569.76 and 139,472.40 is: 208,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,901.48 : 336,569.76 = 139,472.40 : x
  2. Step 2: Convert to fraction form
    224,901.48/336,569.76 = 139,472.40/x
  3. Step 3: Cross multiply
    224,901.48x = 336,569.76 × 139,472.40
  4. Step 4: Simplify right side
    224,901.48x = 46,942,192,194.62
  5. Step 5: Solve for x
    x = 46,942,192,194.62/224,901.48
  6. Step 6: Final answer
    x = 208,723.36

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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.