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Finding the Fourth Proportional to 207,672.77, 286,588.56 and 112,179.51

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Solution

The fourth proportional to 207,672.77, 286,588.56 and 112,179.51 is: 154,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,672.77 : 286,588.56 = 112,179.51 : x
  2. Step 2: Convert to fraction form
    207,672.77/286,588.56 = 112,179.51/x
  3. Step 3: Cross multiply
    207,672.77x = 286,588.56 × 112,179.51
  4. Step 4: Simplify right side
    207,672.77x = 32,149,364,232.41
  5. Step 5: Solve for x
    x = 32,149,364,232.41/207,672.77
  6. Step 6: Final answer
    x = 154,807.80

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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.