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Finding the Fourth Proportional to 73,313.19, 109,987.70 and 23,393.30

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Solution

The fourth proportional to 73,313.19, 109,987.70 and 23,393.30 is: 35,095.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,313.19 : 109,987.70 = 23,393.30 : x
  2. Step 2: Convert to fraction form
    73,313.19/109,987.70 = 23,393.30/x
  3. Step 3: Cross multiply
    73,313.19x = 109,987.70 × 23,393.30
  4. Step 4: Simplify right side
    73,313.19x = 2,572,974,595.51
  5. Step 5: Solve for x
    x = 2,572,974,595.51/73,313.19
  6. Step 6: Final answer
    x = 35,095.66

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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.