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Finding the Fourth Proportional to 135,068.70, 202,311.45 and 117,572.70

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Solution

The fourth proportional to 135,068.70, 202,311.45 and 117,572.70 is: 176,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,068.70 : 202,311.45 = 117,572.70 : x
  2. Step 2: Convert to fraction form
    135,068.70/202,311.45 = 117,572.70/x
  3. Step 3: Cross multiply
    135,068.70x = 202,311.45 × 117,572.70
  4. Step 4: Simplify right side
    135,068.70x = 23,786,303,417.42
  5. Step 5: Solve for x
    x = 23,786,303,417.42/135,068.70
  6. Step 6: Final answer
    x = 176,105.22

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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.