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Finding the Fourth Proportional to 213,018.59, 293,966.60 and 117,528.09

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Solution

The fourth proportional to 213,018.59, 293,966.60 and 117,528.09 is: 162,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,018.59 : 293,966.60 = 117,528.09 : x
  2. Step 2: Convert to fraction form
    213,018.59/293,966.60 = 117,528.09/x
  3. Step 3: Cross multiply
    213,018.59x = 293,966.60 × 117,528.09
  4. Step 4: Simplify right side
    213,018.59x = 34,549,332,434.15
  5. Step 5: Solve for x
    x = 34,549,332,434.15/213,018.59
  6. Step 6: Final answer
    x = 162,189.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.