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Finding the Fourth Proportional to 212,336.64, 293,007.36 and 116,828.16

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Solution

The fourth proportional to 212,336.64, 293,007.36 and 116,828.16 is: 161,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,336.64 : 293,007.36 = 116,828.16 : x
  2. Step 2: Convert to fraction form
    212,336.64/293,007.36 = 116,828.16/x
  3. Step 3: Cross multiply
    212,336.64x = 293,007.36 × 116,828.16
  4. Step 4: Simplify right side
    212,336.64x = 34,231,510,735.26
  5. Step 5: Solve for x
    x = 34,231,510,735.26/212,336.64
  6. Step 6: Final answer
    x = 161,213.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.