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Finding the Fourth Proportional to 101,971.70, 152,960.57 and 48,669.30

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Solution

The fourth proportional to 101,971.70, 152,960.57 and 48,669.30 is: 73,005.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,971.70 : 152,960.57 = 48,669.30 : x
  2. Step 2: Convert to fraction form
    101,971.70/152,960.57 = 48,669.30/x
  3. Step 3: Cross multiply
    101,971.70x = 152,960.57 × 48,669.30
  4. Step 4: Simplify right side
    101,971.70x = 7,444,483,869.50
  5. Step 5: Solve for x
    x = 7,444,483,869.50/101,971.70
  6. Step 6: Final answer
    x = 73,005.39

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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.