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Finding the Fourth Proportional to 113,210.70, 169,816.05 and 60,722.70

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Solution

The fourth proportional to 113,210.70, 169,816.05 and 60,722.70 is: 91,084.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,210.70 : 169,816.05 = 60,722.70 : x
  2. Step 2: Convert to fraction form
    113,210.70/169,816.05 = 60,722.70/x
  3. Step 3: Cross multiply
    113,210.70x = 169,816.05 × 60,722.70
  4. Step 4: Simplify right side
    113,210.70x = 10,311,689,059.34
  5. Step 5: Solve for x
    x = 10,311,689,059.34/113,210.70
  6. Step 6: Final answer
    x = 91,084.05

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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.