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Finding the Fourth Proportional to 73,430.68, 110,146.13 and 18,026.68

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Solution

The fourth proportional to 73,430.68, 110,146.13 and 18,026.68 is: 27,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,430.68 : 110,146.13 = 18,026.68 : x
  2. Step 2: Convert to fraction form
    73,430.68/110,146.13 = 18,026.68/x
  3. Step 3: Cross multiply
    73,430.68x = 110,146.13 × 18,026.68
  4. Step 4: Simplify right side
    73,430.68x = 1,985,569,038.75
  5. Step 5: Solve for x
    x = 1,985,569,038.75/73,430.68
  6. Step 6: Final answer
    x = 27,040.05

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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.