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Finding the Fourth Proportional to 192,365.62, 288,457.61 and 112,426.52

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Solution

The fourth proportional to 192,365.62, 288,457.61 and 112,426.52 is: 168,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,365.62 : 288,457.61 = 112,426.52 : x
  2. Step 2: Convert to fraction form
    192,365.62/288,457.61 = 112,426.52/x
  3. Step 3: Cross multiply
    192,365.62x = 288,457.61 × 112,426.52
  4. Step 4: Simplify right side
    192,365.62x = 32,430,285,259.82
  5. Step 5: Solve for x
    x = 32,430,285,259.82/192,365.62
  6. Step 6: Final answer
    x = 168,586.70

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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.