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Finding the Fourth Proportional to 192,061.40, 287,573.70 and 192,061.40

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Solution

The fourth proportional to 192,061.40, 287,573.70 and 192,061.40 is: 287,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,061.40 : 287,573.70 = 192,061.40 : x
  2. Step 2: Convert to fraction form
    192,061.40/287,573.70 = 192,061.40/x
  3. Step 3: Cross multiply
    192,061.40x = 287,573.70 × 192,061.40
  4. Step 4: Simplify right side
    192,061.40x = 55,231,807,425.18
  5. Step 5: Solve for x
    x = 55,231,807,425.18/192,061.40
  6. Step 6: Final answer
    x = 287,573.70

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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.