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Finding the Fourth Proportional to 118,674.66, 178,011.59 and 48,553.97

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Solution

The fourth proportional to 118,674.66, 178,011.59 and 48,553.97 is: 72,830.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,674.66 : 178,011.59 = 48,553.97 : x
  2. Step 2: Convert to fraction form
    118,674.66/178,011.59 = 48,553.97/x
  3. Step 3: Cross multiply
    118,674.66x = 178,011.59 × 48,553.97
  4. Step 4: Simplify right side
    118,674.66x = 8,643,169,602.77
  5. Step 5: Solve for x
    x = 8,643,169,602.77/118,674.66
  6. Step 6: Final answer
    x = 72,830.79

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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.