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Finding the Fourth Proportional to 192,007.80, 288,011.70 and 97,529.40

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Solution

The fourth proportional to 192,007.80, 288,011.70 and 97,529.40 is: 146,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,007.80 : 288,011.70 = 97,529.40 : x
  2. Step 2: Convert to fraction form
    192,007.80/288,011.70 = 97,529.40/x
  3. Step 3: Cross multiply
    192,007.80x = 288,011.70 × 97,529.40
  4. Step 4: Simplify right side
    192,007.80x = 28,089,608,293.98
  5. Step 5: Solve for x
    x = 28,089,608,293.98/192,007.80
  6. Step 6: Final answer
    x = 146,294.10

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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.