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Finding the Fourth Proportional to 152,497.62, 228,740.22 and 72,574.38

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Solution

The fourth proportional to 152,497.62, 228,740.22 and 72,574.38 is: 108,858.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,497.62 : 228,740.22 = 72,574.38 : x
  2. Step 2: Convert to fraction form
    152,497.62/228,740.22 = 72,574.38/x
  3. Step 3: Cross multiply
    152,497.62x = 228,740.22 × 72,574.38
  4. Step 4: Simplify right side
    152,497.62x = 16,600,679,647.56
  5. Step 5: Solve for x
    x = 16,600,679,647.56/152,497.62
  6. Step 6: Final answer
    x = 108,858.61

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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.