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Finding the Fourth Proportional to 228,332.70, 342,499.05 and 103,673.70

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Solution

The fourth proportional to 228,332.70, 342,499.05 and 103,673.70 is: 155,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,332.70 : 342,499.05 = 103,673.70 : x
  2. Step 2: Convert to fraction form
    228,332.70/342,499.05 = 103,673.70/x
  3. Step 3: Cross multiply
    228,332.70x = 342,499.05 × 103,673.70
  4. Step 4: Simplify right side
    228,332.70x = 35,508,143,759.99
  5. Step 5: Solve for x
    x = 35,508,143,759.99/228,332.70
  6. Step 6: Final answer
    x = 155,510.55

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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.