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Finding the Fourth Proportional to 100,835.61, 151,202.35 and 56,450.44

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Solution

The fourth proportional to 100,835.61, 151,202.35 and 56,450.44 is: 84,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,835.61 : 151,202.35 = 56,450.44 : x
  2. Step 2: Convert to fraction form
    100,835.61/151,202.35 = 56,450.44/x
  3. Step 3: Cross multiply
    100,835.61x = 151,202.35 × 56,450.44
  4. Step 4: Simplify right side
    100,835.61x = 8,535,439,186.53
  5. Step 5: Solve for x
    x = 8,535,439,186.53/100,835.61
  6. Step 6: Final answer
    x = 84,647.07

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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.