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Finding the Fourth Proportional to 203,527.58, 280,882.32 and 112,892.18

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Solution

The fourth proportional to 203,527.58, 280,882.32 and 112,892.18 is: 155,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,527.58 : 280,882.32 = 112,892.18 : x
  2. Step 2: Convert to fraction form
    203,527.58/280,882.32 = 112,892.18/x
  3. Step 3: Cross multiply
    203,527.58x = 280,882.32 × 112,892.18
  4. Step 4: Simplify right side
    203,527.58x = 31,709,417,428.26
  5. Step 5: Solve for x
    x = 31,709,417,428.26/203,527.58
  6. Step 6: Final answer
    x = 155,799.12

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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.