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Finding the Fourth Proportional to 162,053.40, 242,561.70 and 149,611.80

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Solution

The fourth proportional to 162,053.40, 242,561.70 and 149,611.80 is: 223,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,053.40 : 242,561.70 = 149,611.80 : x
  2. Step 2: Convert to fraction form
    162,053.40/242,561.70 = 149,611.80/x
  3. Step 3: Cross multiply
    162,053.40x = 242,561.70 × 149,611.80
  4. Step 4: Simplify right side
    162,053.40x = 36,290,092,548.06
  5. Step 5: Solve for x
    x = 36,290,092,548.06/162,053.40
  6. Step 6: Final answer
    x = 223,939.10

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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.