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Finding the Fourth Proportional to 73,421.64, 110,145.42 and 23,503.32

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Solution

The fourth proportional to 73,421.64, 110,145.42 and 23,503.32 is: 35,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,421.64 : 110,145.42 = 23,503.32 : x
  2. Step 2: Convert to fraction form
    73,421.64/110,145.42 = 23,503.32/x
  3. Step 3: Cross multiply
    73,421.64x = 110,145.42 × 23,503.32
  4. Step 4: Simplify right side
    73,421.64x = 2,588,783,052.79
  5. Step 5: Solve for x
    x = 2,588,783,052.79/73,421.64
  6. Step 6: Final answer
    x = 35,259.13

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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.