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Finding the Fourth Proportional to 165,571.34, 228,482.10 and 93,947.09

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Solution

The fourth proportional to 165,571.34, 228,482.10 and 93,947.09 is: 129,643.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,571.34 : 228,482.10 = 93,947.09 : x
  2. Step 2: Convert to fraction form
    165,571.34/228,482.10 = 93,947.09/x
  3. Step 3: Cross multiply
    165,571.34x = 228,482.10 × 93,947.09
  4. Step 4: Simplify right side
    165,571.34x = 21,465,227,269.68
  5. Step 5: Solve for x
    x = 21,465,227,269.68/165,571.34
  6. Step 6: Final answer
    x = 129,643.38

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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.