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Finding the Fourth Proportional to 192,952.80, 288,807.12 and 99,329.76

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Solution

The fourth proportional to 192,952.80, 288,807.12 and 99,329.76 is: 148,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,952.80 : 288,807.12 = 99,329.76 : x
  2. Step 2: Convert to fraction form
    192,952.80/288,807.12 = 99,329.76/x
  3. Step 3: Cross multiply
    192,952.80x = 288,807.12 × 99,329.76
  4. Step 4: Simplify right side
    192,952.80x = 28,687,141,915.89
  5. Step 5: Solve for x
    x = 28,687,141,915.89/192,952.80
  6. Step 6: Final answer
    x = 148,674.40

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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.