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Finding the Fourth Proportional to 235,945.40, 353,918.10 and 69,733.40

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Solution

The fourth proportional to 235,945.40, 353,918.10 and 69,733.40 is: 104,600.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,945.40 : 353,918.10 = 69,733.40 : x
  2. Step 2: Convert to fraction form
    235,945.40/353,918.10 = 69,733.40/x
  3. Step 3: Cross multiply
    235,945.40x = 353,918.10 × 69,733.40
  4. Step 4: Simplify right side
    235,945.40x = 24,679,912,434.54
  5. Step 5: Solve for x
    x = 24,679,912,434.54/235,945.40
  6. Step 6: Final answer
    x = 104,600.10

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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.