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Finding the Fourth Proportional to 230,346.96, 317,901.96 and 139,699.92

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Solution

The fourth proportional to 230,346.96, 317,901.96 and 139,699.92 is: 192,799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,346.96 : 317,901.96 = 139,699.92 : x
  2. Step 2: Convert to fraction form
    230,346.96/317,901.96 = 139,699.92/x
  3. Step 3: Cross multiply
    230,346.96x = 317,901.96 × 139,699.92
  4. Step 4: Simplify right side
    230,346.96x = 44,410,878,379.84
  5. Step 5: Solve for x
    x = 44,410,878,379.84/230,346.96
  6. Step 6: Final answer
    x = 192,799.93

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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.