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Finding the Fourth Proportional to 226,497.69, 312,567 and 124,529.72

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Solution

The fourth proportional to 226,497.69, 312,567 and 124,529.72 is: 171,851.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,497.69 : 312,567 = 124,529.72 : x
  2. Step 2: Convert to fraction form
    226,497.69/312,567 = 124,529.72/x
  3. Step 3: Cross multiply
    226,497.69x = 312,567 × 124,529.72
  4. Step 4: Simplify right side
    226,497.69x = 38,923,879,428.41
  5. Step 5: Solve for x
    x = 38,923,879,428.41/226,497.69
  6. Step 6: Final answer
    x = 171,851.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.