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Finding the Fourth Proportional to 235,018.56, 352,452.96 and 77,210.40

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Solution

The fourth proportional to 235,018.56, 352,452.96 and 77,210.40 is: 115,791.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,018.56 : 352,452.96 = 77,210.40 : x
  2. Step 2: Convert to fraction form
    235,018.56/352,452.96 = 77,210.40/x
  3. Step 3: Cross multiply
    235,018.56x = 352,452.96 × 77,210.40
  4. Step 4: Simplify right side
    235,018.56x = 27,213,034,022.78
  5. Step 5: Solve for x
    x = 27,213,034,022.78/235,018.56
  6. Step 6: Final answer
    x = 115,791.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.