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Finding the Fourth Proportional to 207,892.62, 286,892.24 and 112,399.32

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Solution

The fourth proportional to 207,892.62, 286,892.24 and 112,399.32 is: 155,111.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,892.62 : 286,892.24 = 112,399.32 : x
  2. Step 2: Convert to fraction form
    207,892.62/286,892.24 = 112,399.32/x
  3. Step 3: Cross multiply
    207,892.62x = 286,892.24 × 112,399.32
  4. Step 4: Simplify right side
    207,892.62x = 32,246,492,127.28
  5. Step 5: Solve for x
    x = 32,246,492,127.28/207,892.62
  6. Step 6: Final answer
    x = 155,111.29

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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.