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Finding the Fourth Proportional to 103,043.98, 154,587.84 and 35,582.32

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Solution

The fourth proportional to 103,043.98, 154,587.84 and 35,582.32 is: 53,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,043.98 : 154,587.84 = 35,582.32 : x
  2. Step 2: Convert to fraction form
    103,043.98/154,587.84 = 35,582.32/x
  3. Step 3: Cross multiply
    103,043.98x = 154,587.84 × 35,582.32
  4. Step 4: Simplify right side
    103,043.98x = 5,500,593,990.99
  5. Step 5: Solve for x
    x = 5,500,593,990.99/103,043.98
  6. Step 6: Final answer
    x = 53,381.03

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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.