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Finding the Fourth Proportional to 105,000.68, 157,503.90 and 33,926.36

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Solution

The fourth proportional to 105,000.68, 157,503.90 and 33,926.36 is: 50,890.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,000.68 : 157,503.90 = 33,926.36 : x
  2. Step 2: Convert to fraction form
    105,000.68/157,503.90 = 33,926.36/x
  3. Step 3: Cross multiply
    105,000.68x = 157,503.90 × 33,926.36
  4. Step 4: Simplify right side
    105,000.68x = 5,343,534,012.80
  5. Step 5: Solve for x
    x = 5,343,534,012.80/105,000.68
  6. Step 6: Final answer
    x = 50,890.47

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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.