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Finding the Fourth Proportional to 230,252.94, 317,661.72 and 139,575.84

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Solution

The fourth proportional to 230,252.94, 317,661.72 and 139,575.84 is: 192,561.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,252.94 : 317,661.72 = 139,575.84 : x
  2. Step 2: Convert to fraction form
    230,252.94/317,661.72 = 139,575.84/x
  3. Step 3: Cross multiply
    230,252.94x = 317,661.72 × 139,575.84
  4. Step 4: Simplify right side
    230,252.94x = 44,337,901,404.84
  5. Step 5: Solve for x
    x = 44,337,901,404.84/230,252.94
  6. Step 6: Final answer
    x = 192,561.72

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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.