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Finding the Fourth Proportional to 117,006.70, 175,218.45 and 93,678.70

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Solution

The fourth proportional to 117,006.70, 175,218.45 and 93,678.70 is: 140,284.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,006.70 : 175,218.45 = 93,678.70 : x
  2. Step 2: Convert to fraction form
    117,006.70/175,218.45 = 93,678.70/x
  3. Step 3: Cross multiply
    117,006.70x = 175,218.45 × 93,678.70
  4. Step 4: Simplify right side
    117,006.70x = 16,414,236,612.02
  5. Step 5: Solve for x
    x = 16,414,236,612.02/117,006.70
  6. Step 6: Final answer
    x = 140,284.59

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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.