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Finding the Fourth Proportional to 207,732.60, 286,669.53 and 122,847.84

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Solution

The fourth proportional to 207,732.60, 286,669.53 and 122,847.84 is: 169,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,732.60 : 286,669.53 = 122,847.84 : x
  2. Step 2: Convert to fraction form
    207,732.60/286,669.53 = 122,847.84/x
  3. Step 3: Cross multiply
    207,732.60x = 286,669.53 × 122,847.84
  4. Step 4: Simplify right side
    207,732.60x = 35,216,732,554.32
  5. Step 5: Solve for x
    x = 35,216,732,554.32/207,732.60
  6. Step 6: Final answer
    x = 169,529.16

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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.