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Finding the Fourth Proportional to 118,089.85, 177,089.01 and 39,182.89

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Solution

The fourth proportional to 118,089.85, 177,089.01 and 39,182.89 is: 58,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,089.85 : 177,089.01 = 39,182.89 : x
  2. Step 2: Convert to fraction form
    118,089.85/177,089.01 = 39,182.89/x
  3. Step 3: Cross multiply
    118,089.85x = 177,089.01 × 39,182.89
  4. Step 4: Simplify right side
    118,089.85x = 6,938,859,199.04
  5. Step 5: Solve for x
    x = 6,938,859,199.04/118,089.85
  6. Step 6: Final answer
    x = 58,759.15

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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.