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Finding the Fourth Proportional to 224,988.88, 310,739.88 and 153,244.48

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Solution

The fourth proportional to 224,988.88, 310,739.88 and 153,244.48 is: 211,651.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,988.88 : 310,739.88 = 153,244.48 : x
  2. Step 2: Convert to fraction form
    224,988.88/310,739.88 = 153,244.48/x
  3. Step 3: Cross multiply
    224,988.88x = 310,739.88 × 153,244.48
  4. Step 4: Simplify right side
    224,988.88x = 47,619,171,325.86
  5. Step 5: Solve for x
    x = 47,619,171,325.86/224,988.88
  6. Step 6: Final answer
    x = 211,651.22

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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.