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Finding the Fourth Proportional to 118,335.84, 177,484.56 and 39,450.72

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Solution

The fourth proportional to 118,335.84, 177,484.56 and 39,450.72 is: 59,169.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,335.84 : 177,484.56 = 39,450.72 : x
  2. Step 2: Convert to fraction form
    118,335.84/177,484.56 = 39,450.72/x
  3. Step 3: Cross multiply
    118,335.84x = 177,484.56 × 39,450.72
  4. Step 4: Simplify right side
    118,335.84x = 7,001,893,680.88
  5. Step 5: Solve for x
    x = 7,001,893,680.88/118,335.84
  6. Step 6: Final answer
    x = 59,169.68

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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.