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Finding the Fourth Proportional to 207,852.17, 286,836.21 and 112,358.88

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Solution

The fourth proportional to 207,852.17, 286,836.21 and 112,358.88 is: 155,055.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,852.17 : 286,836.21 = 112,358.88 : x
  2. Step 2: Convert to fraction form
    207,852.17/286,836.21 = 112,358.88/x
  3. Step 3: Cross multiply
    207,852.17x = 286,836.21 × 112,358.88
  4. Step 4: Simplify right side
    207,852.17x = 32,228,595,299.04
  5. Step 5: Solve for x
    x = 32,228,595,299.04/207,852.17
  6. Step 6: Final answer
    x = 155,055.37

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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.