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Finding the Fourth Proportional to 207,752.73, 286,698.86 and 112,259.43

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Solution

The fourth proportional to 207,752.73, 286,698.86 and 112,259.43 is: 154,918.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,752.73 : 286,698.86 = 112,259.43 : x
  2. Step 2: Convert to fraction form
    207,752.73/286,698.86 = 112,259.43/x
  3. Step 3: Cross multiply
    207,752.73x = 286,698.86 × 112,259.43
  4. Step 4: Simplify right side
    207,752.73x = 32,184,650,043.95
  5. Step 5: Solve for x
    x = 32,184,650,043.95/207,752.73
  6. Step 6: Final answer
    x = 154,918.06

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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.