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Finding the Fourth Proportional to 146,063.80, 219,095.70 and 72,335.80

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Solution

The fourth proportional to 146,063.80, 219,095.70 and 72,335.80 is: 108,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,063.80 : 219,095.70 = 72,335.80 : x
  2. Step 2: Convert to fraction form
    146,063.80/219,095.70 = 72,335.80/x
  3. Step 3: Cross multiply
    146,063.80x = 219,095.70 × 72,335.80
  4. Step 4: Simplify right side
    146,063.80x = 15,848,462,736.06
  5. Step 5: Solve for x
    x = 15,848,462,736.06/146,063.80
  6. Step 6: Final answer
    x = 108,503.70

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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.