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Finding the Fourth Proportional to 207,332.52, 286,119.30 and 117,908.52

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Solution

The fourth proportional to 207,332.52, 286,119.30 and 117,908.52 is: 162,714.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,332.52 : 286,119.30 = 117,908.52 : x
  2. Step 2: Convert to fraction form
    207,332.52/286,119.30 = 117,908.52/x
  3. Step 3: Cross multiply
    207,332.52x = 286,119.30 × 117,908.52
  4. Step 4: Simplify right side
    207,332.52x = 33,735,903,206.44
  5. Step 5: Solve for x
    x = 33,735,903,206.44/207,332.52
  6. Step 6: Final answer
    x = 162,714.00

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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.