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Finding the Fourth Proportional to 230,295.83, 317,808.90 and 133,518.45

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Solution

The fourth proportional to 230,295.83, 317,808.90 and 133,518.45 is: 184,255.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,295.83 : 317,808.90 = 133,518.45 : x
  2. Step 2: Convert to fraction form
    230,295.83/317,808.90 = 133,518.45/x
  3. Step 3: Cross multiply
    230,295.83x = 317,808.90 × 133,518.45
  4. Step 4: Simplify right side
    230,295.83x = 42,433,351,724.21
  5. Step 5: Solve for x
    x = 42,433,351,724.21/230,295.83
  6. Step 6: Final answer
    x = 184,255.84

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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.