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Finding the Fourth Proportional to 229,527.63, 316,756.11 and 127,557.39

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Solution

The fourth proportional to 229,527.63, 316,756.11 and 127,557.39 is: 176,033.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,527.63 : 316,756.11 = 127,557.39 : x
  2. Step 2: Convert to fraction form
    229,527.63/316,756.11 = 127,557.39/x
  3. Step 3: Cross multiply
    229,527.63x = 316,756.11 × 127,557.39
  4. Step 4: Simplify right side
    229,527.63x = 40,404,582,658.15
  5. Step 5: Solve for x
    x = 40,404,582,658.15/229,527.63
  6. Step 6: Final answer
    x = 176,033.63

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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.