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Finding the Fourth Proportional to 118,967.77, 164,174.40 and 65,253.00

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Solution

The fourth proportional to 118,967.77, 164,174.40 and 65,253.00 is: 90,048.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,967.77 : 164,174.40 = 65,253.00 : x
  2. Step 2: Convert to fraction form
    118,967.77/164,174.40 = 65,253.00/x
  3. Step 3: Cross multiply
    118,967.77x = 164,174.40 × 65,253.00
  4. Step 4: Simplify right side
    118,967.77x = 10,712,872,738.85
  5. Step 5: Solve for x
    x = 10,712,872,738.85/118,967.77
  6. Step 6: Final answer
    x = 90,048.53

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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.