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Finding the Fourth Proportional to 133,740.80, 184,621.08 and 93,612.12

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Solution

The fourth proportional to 133,740.80, 184,621.08 and 93,612.12 is: 129,225.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,740.80 : 184,621.08 = 93,612.12 : x
  2. Step 2: Convert to fraction form
    133,740.80/184,621.08 = 93,612.12/x
  3. Step 3: Cross multiply
    133,740.80x = 184,621.08 × 93,612.12
  4. Step 4: Simplify right side
    133,740.80x = 17,282,770,695.49
  5. Step 5: Solve for x
    x = 17,282,770,695.49/133,740.80
  6. Step 6: Final answer
    x = 129,225.87

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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.