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Finding the Fourth Proportional to 224,659.50, 310,030.38 and 124,057.50

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Solution

The fourth proportional to 224,659.50, 310,030.38 and 124,057.50 is: 171,199.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,659.50 : 310,030.38 = 124,057.50 : x
  2. Step 2: Convert to fraction form
    224,659.50/310,030.38 = 124,057.50/x
  3. Step 3: Cross multiply
    224,659.50x = 310,030.38 × 124,057.50
  4. Step 4: Simplify right side
    224,659.50x = 38,461,593,866.85
  5. Step 5: Solve for x
    x = 38,461,593,866.85/224,659.50
  6. Step 6: Final answer
    x = 171,199.50

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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.