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Finding the Fourth Proportional to 124,047.88, 186,071.87 and 30,553.63

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Solution

The fourth proportional to 124,047.88, 186,071.87 and 30,553.63 is: 45,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,047.88 : 186,071.87 = 30,553.63 : x
  2. Step 2: Convert to fraction form
    124,047.88/186,071.87 = 30,553.63/x
  3. Step 3: Cross multiply
    124,047.88x = 186,071.87 × 30,553.63
  4. Step 4: Simplify right side
    124,047.88x = 5,685,171,069.39
  5. Step 5: Solve for x
    x = 5,685,171,069.39/124,047.88
  6. Step 6: Final answer
    x = 45,830.46

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1.5x scale

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.