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Finding the Fourth Proportional to 229,548.89, 316,777.19 and 127,571.12

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Solution

The fourth proportional to 229,548.89, 316,777.19 and 127,571.12 is: 176,047.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,548.89 : 316,777.19 = 127,571.12 : x
  2. Step 2: Convert to fraction form
    229,548.89/316,777.19 = 127,571.12/x
  3. Step 3: Cross multiply
    229,548.89x = 316,777.19 × 127,571.12
  4. Step 4: Simplify right side
    229,548.89x = 40,411,620,280.90
  5. Step 5: Solve for x
    x = 40,411,620,280.90/229,548.89
  6. Step 6: Final answer
    x = 176,047.99

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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.