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Finding the Fourth Proportional to 222,756.10, 334,210.65 and 65,007.70

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Solution

The fourth proportional to 222,756.10, 334,210.65 and 65,007.70 is: 97,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,756.10 : 334,210.65 = 65,007.70 : x
  2. Step 2: Convert to fraction form
    222,756.10/334,210.65 = 65,007.70/x
  3. Step 3: Cross multiply
    222,756.10x = 334,210.65 × 65,007.70
  4. Step 4: Simplify right side
    222,756.10x = 21,726,265,672.01
  5. Step 5: Solve for x
    x = 21,726,265,672.01/222,756.10
  6. Step 6: Final answer
    x = 97,533.88

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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.