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Finding the Fourth Proportional to 153,027.04, 211,197.02 and 85,972.00

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Solution

The fourth proportional to 153,027.04, 211,197.02 and 85,972.00 is: 118,652.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,027.04 : 211,197.02 = 85,972.00 : x
  2. Step 2: Convert to fraction form
    153,027.04/211,197.02 = 85,972.00/x
  3. Step 3: Cross multiply
    153,027.04x = 211,197.02 × 85,972.00
  4. Step 4: Simplify right side
    153,027.04x = 18,157,029,147.45
  5. Step 5: Solve for x
    x = 18,157,029,147.45/153,027.04
  6. Step 6: Final answer
    x = 118,652.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.