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Finding the Fourth Proportional to 102,043.35, 153,066.60 and 38,867.00

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Solution

The fourth proportional to 102,043.35, 153,066.60 and 38,867.00 is: 58,301.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,043.35 : 153,066.60 = 38,867.00 : x
  2. Step 2: Convert to fraction form
    102,043.35/153,066.60 = 38,867.00/x
  3. Step 3: Cross multiply
    102,043.35x = 153,066.60 × 38,867.00
  4. Step 4: Simplify right side
    102,043.35x = 5,949,238,776.87
  5. Step 5: Solve for x
    x = 5,949,238,776.87/102,043.35
  6. Step 6: Final answer
    x = 58,301.09

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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.