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Finding the Fourth Proportional to 192,043.70, 287,409.45 and 168,424.10

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Solution

The fourth proportional to 192,043.70, 287,409.45 and 168,424.10 is: 252,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,043.70 : 287,409.45 = 168,424.10 : x
  2. Step 2: Convert to fraction form
    192,043.70/287,409.45 = 168,424.10/x
  3. Step 3: Cross multiply
    192,043.70x = 287,409.45 × 168,424.10
  4. Step 4: Simplify right side
    192,043.70x = 48,406,677,947.75
  5. Step 5: Solve for x
    x = 48,406,677,947.75/192,043.70
  6. Step 6: Final answer
    x = 252,060.74

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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.