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Finding the Fourth Proportional to 124,360.80, 186,144.30 and 98,116.80

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Solution

The fourth proportional to 124,360.80, 186,144.30 and 98,116.80 is: 146,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,360.80 : 186,144.30 = 98,116.80 : x
  2. Step 2: Convert to fraction form
    124,360.80/186,144.30 = 98,116.80/x
  3. Step 3: Cross multiply
    124,360.80x = 186,144.30 × 98,116.80
  4. Step 4: Simplify right side
    124,360.80x = 18,263,883,054.24
  5. Step 5: Solve for x
    x = 18,263,883,054.24/124,360.80
  6. Step 6: Final answer
    x = 146,862.06

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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.