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Finding the Fourth Proportional to 118,159.80, 177,238.78 and 29,412.70

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Solution

The fourth proportional to 118,159.80, 177,238.78 and 29,412.70 is: 44,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,159.80 : 177,238.78 = 29,412.70 : x
  2. Step 2: Convert to fraction form
    118,159.80/177,238.78 = 29,412.70/x
  3. Step 3: Cross multiply
    118,159.80x = 177,238.78 × 29,412.70
  4. Step 4: Simplify right side
    118,159.80x = 5,213,071,064.51
  5. Step 5: Solve for x
    x = 5,213,071,064.51/118,159.80
  6. Step 6: Final answer
    x = 44,118.82

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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.