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Finding the Fourth Proportional to 153,991.80, 230,995.98 and 48,818.97

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Solution

The fourth proportional to 153,991.80, 230,995.98 and 48,818.97 is: 73,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,991.80 : 230,995.98 = 48,818.97 : x
  2. Step 2: Convert to fraction form
    153,991.80/230,995.98 = 48,818.97/x
  3. Step 3: Cross multiply
    153,991.80x = 230,995.98 × 48,818.97
  4. Step 4: Simplify right side
    153,991.80x = 11,276,985,817.74
  5. Step 5: Solve for x
    x = 11,276,985,817.74/153,991.80
  6. Step 6: Final answer
    x = 73,231.08

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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.