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Finding the Fourth Proportional to 222,776.64, 334,031.50 and 70,908.12

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Solution

The fourth proportional to 222,776.64, 334,031.50 and 70,908.12 is: 106,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,776.64 : 334,031.50 = 70,908.12 : x
  2. Step 2: Convert to fraction form
    222,776.64/334,031.50 = 70,908.12/x
  3. Step 3: Cross multiply
    222,776.64x = 334,031.50 × 70,908.12
  4. Step 4: Simplify right side
    222,776.64x = 23,685,545,685.78
  5. Step 5: Solve for x
    x = 23,685,545,685.78/222,776.64
  6. Step 6: Final answer
    x = 106,319.70

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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.