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Finding the Fourth Proportional to 207,672.46, 286,587.80 and 112,179.12

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Solution

The fourth proportional to 207,672.46, 286,587.80 and 112,179.12 is: 154,807.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,672.46 : 286,587.80 = 112,179.12 : x
  2. Step 2: Convert to fraction form
    207,672.46/286,587.80 = 112,179.12/x
  3. Step 3: Cross multiply
    207,672.46x = 286,587.80 × 112,179.12
  4. Step 4: Simplify right side
    207,672.46x = 32,149,167,206.74
  5. Step 5: Solve for x
    x = 32,149,167,206.74/207,672.46
  6. Step 6: Final answer
    x = 154,807.08

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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.