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Finding the Fourth Proportional to 227,548.80, 314,024.88 and 124,188.63

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Solution

The fourth proportional to 227,548.80, 314,024.88 and 124,188.63 is: 171,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,548.80 : 314,024.88 = 124,188.63 : x
  2. Step 2: Convert to fraction form
    227,548.80/314,024.88 = 124,188.63/x
  3. Step 3: Cross multiply
    227,548.80x = 314,024.88 × 124,188.63
  4. Step 4: Simplify right side
    227,548.80x = 38,998,320,810.71
  5. Step 5: Solve for x
    x = 38,998,320,810.71/227,548.80
  6. Step 6: Final answer
    x = 171,384.43

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1.5x scale

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.