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Finding the Fourth Proportional to 236,496.69, 354,534.04 and 86,702.00

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Solution

The fourth proportional to 236,496.69, 354,534.04 and 86,702.00 is: 129,975.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,496.69 : 354,534.04 = 86,702.00 : x
  2. Step 2: Convert to fraction form
    236,496.69/354,534.04 = 86,702.00/x
  3. Step 3: Cross multiply
    236,496.69x = 354,534.04 × 86,702.00
  4. Step 4: Simplify right side
    236,496.69x = 30,738,808,427.94
  5. Step 5: Solve for x
    x = 30,738,808,427.94/236,496.69
  6. Step 6: Final answer
    x = 129,975.64

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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.