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Finding the Fourth Proportional to 235,141.92, 352,638.36 and 77,333.67

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Solution

The fourth proportional to 235,141.92, 352,638.36 and 77,333.67 is: 115,976.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,141.92 : 352,638.36 = 77,333.67 : x
  2. Step 2: Convert to fraction form
    235,141.92/352,638.36 = 77,333.67/x
  3. Step 3: Cross multiply
    235,141.92x = 352,638.36 × 77,333.67
  4. Step 4: Simplify right side
    235,141.92x = 27,270,818,561.58
  5. Step 5: Solve for x
    x = 27,270,818,561.58/235,141.92
  6. Step 6: Final answer
    x = 115,976.00

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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.