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Finding the Fourth Proportional to 103,053.52, 154,528.35 and 36,484.30

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Solution

The fourth proportional to 103,053.52, 154,528.35 and 36,484.30 is: 54,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,053.52 : 154,528.35 = 36,484.30 : x
  2. Step 2: Convert to fraction form
    103,053.52/154,528.35 = 36,484.30/x
  3. Step 3: Cross multiply
    103,053.52x = 154,528.35 × 36,484.30
  4. Step 4: Simplify right side
    103,053.52x = 5,637,858,679.91
  5. Step 5: Solve for x
    x = 5,637,858,679.91/103,053.52
  6. Step 6: Final answer
    x = 54,708.07

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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.