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Finding the Fourth Proportional to 118,001.40, 177,002.10 and 33,761.40

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Solution

The fourth proportional to 118,001.40, 177,002.10 and 33,761.40 is: 50,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,001.40 : 177,002.10 = 33,761.40 : x
  2. Step 2: Convert to fraction form
    118,001.40/177,002.10 = 33,761.40/x
  3. Step 3: Cross multiply
    118,001.40x = 177,002.10 × 33,761.40
  4. Step 4: Simplify right side
    118,001.40x = 5,975,838,698.94
  5. Step 5: Solve for x
    x = 5,975,838,698.94/118,001.40
  6. Step 6: Final answer
    x = 50,642.10

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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.