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Finding the Fourth Proportional to 207,246.57, 286,000.26 and 117,822.57

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Solution

The fourth proportional to 207,246.57, 286,000.26 and 117,822.57 is: 162,595.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,246.57 : 286,000.26 = 117,822.57 : x
  2. Step 2: Convert to fraction form
    207,246.57/286,000.26 = 117,822.57/x
  3. Step 3: Cross multiply
    207,246.57x = 286,000.26 × 117,822.57
  4. Step 4: Simplify right side
    207,246.57x = 33,697,285,653.87
  5. Step 5: Solve for x
    x = 33,697,285,653.87/207,246.57
  6. Step 6: Final answer
    x = 162,595.14

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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.