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Finding the Fourth Proportional to 207,437.59, 286,265.91 and 116,775.91

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Solution

The fourth proportional to 207,437.59, 286,265.91 and 116,775.91 is: 161,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,437.59 : 286,265.91 = 116,775.91 : x
  2. Step 2: Convert to fraction form
    207,437.59/286,265.91 = 116,775.91/x
  3. Step 3: Cross multiply
    207,437.59x = 286,265.91 × 116,775.91
  4. Step 4: Simplify right side
    207,437.59x = 33,428,962,142.23
  5. Step 5: Solve for x
    x = 33,428,962,142.23/207,437.59
  6. Step 6: Final answer
    x = 161,151.90

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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.