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Finding the Fourth Proportional to 192,437.40, 288,218.70 and 98,833.80

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Solution

The fourth proportional to 192,437.40, 288,218.70 and 98,833.80 is: 148,026.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,437.40 : 288,218.70 = 98,833.80 : x
  2. Step 2: Convert to fraction form
    192,437.40/288,218.70 = 98,833.80/x
  3. Step 3: Cross multiply
    192,437.40x = 288,218.70 × 98,833.80
  4. Step 4: Simplify right side
    192,437.40x = 28,485,749,352.06
  5. Step 5: Solve for x
    x = 28,485,749,352.06/192,437.40
  6. Step 6: Final answer
    x = 148,026.06

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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.