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Finding the Fourth Proportional to 115,592.80, 173,216.40 and 97,967.20

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Solution

The fourth proportional to 115,592.80, 173,216.40 and 97,967.20 is: 146,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,592.80 : 173,216.40 = 97,967.20 : x
  2. Step 2: Convert to fraction form
    115,592.80/173,216.40 = 97,967.20/x
  3. Step 3: Cross multiply
    115,592.80x = 173,216.40 × 97,967.20
  4. Step 4: Simplify right side
    115,592.80x = 16,969,525,702.08
  5. Step 5: Solve for x
    x = 16,969,525,702.08/115,592.80
  6. Step 6: Final answer
    x = 146,804.35

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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.