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Finding the Fourth Proportional to 101,700, 152,404.64 and 44,705.60

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Solution

The fourth proportional to 101,700, 152,404.64 and 44,705.60 is: 66,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,700 : 152,404.64 = 44,705.60 : x
  2. Step 2: Convert to fraction form
    101,700/152,404.64 = 44,705.60/x
  3. Step 3: Cross multiply
    101,700x = 152,404.64 × 44,705.60
  4. Step 4: Simplify right side
    101,700x = 6,813,340,873.98
  5. Step 5: Solve for x
    x = 6,813,340,873.98/101,700
  6. Step 6: Final answer
    x = 66,994.50

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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.