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Finding the Fourth Proportional to 105,245.88, 157,817.66 and 35,101.50

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Solution

The fourth proportional to 105,245.88, 157,817.66 and 35,101.50 is: 52,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,245.88 : 157,817.66 = 35,101.50 : x
  2. Step 2: Convert to fraction form
    105,245.88/157,817.66 = 35,101.50/x
  3. Step 3: Cross multiply
    105,245.88x = 157,817.66 × 35,101.50
  4. Step 4: Simplify right side
    105,245.88x = 5,539,636,416.98
  5. Step 5: Solve for x
    x = 5,539,636,416.98/105,245.88
  6. Step 6: Final answer
    x = 52,635.19

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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.