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Finding the Fourth Proportional to 73,501.68, 101,402.10 and 47,999.28

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Solution

The fourth proportional to 73,501.68, 101,402.10 and 47,999.28 is: 66,219.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,501.68 : 101,402.10 = 47,999.28 : x
  2. Step 2: Convert to fraction form
    73,501.68/101,402.10 = 47,999.28/x
  3. Step 3: Cross multiply
    73,501.68x = 101,402.10 × 47,999.28
  4. Step 4: Simplify right side
    73,501.68x = 4,867,227,790.49
  5. Step 5: Solve for x
    x = 4,867,227,790.49/73,501.68
  6. Step 6: Final answer
    x = 66,219.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.