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Finding the Fourth Proportional to 224,984, 310,484.40 and 124,388.48

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Solution

The fourth proportional to 224,984, 310,484.40 and 124,388.48 is: 171,659.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,984 : 310,484.40 = 124,388.48 : x
  2. Step 2: Convert to fraction form
    224,984/310,484.40 = 124,388.48/x
  3. Step 3: Cross multiply
    224,984x = 310,484.40 × 124,388.48
  4. Step 4: Simplify right side
    224,984x = 38,620,682,579.71
  5. Step 5: Solve for x
    x = 38,620,682,579.71/224,984
  6. Step 6: Final answer
    x = 171,659.69

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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.