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Finding the Fourth Proportional to 192,177.70, 288,266.55 and 73,852.90

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Solution

The fourth proportional to 192,177.70, 288,266.55 and 73,852.90 is: 110,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,177.70 : 288,266.55 = 73,852.90 : x
  2. Step 2: Convert to fraction form
    192,177.70/288,266.55 = 73,852.90/x
  3. Step 3: Cross multiply
    192,177.70x = 288,266.55 × 73,852.90
  4. Step 4: Simplify right side
    192,177.70x = 21,289,320,690.50
  5. Step 5: Solve for x
    x = 21,289,320,690.50/192,177.70
  6. Step 6: Final answer
    x = 110,779.35

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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.