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Finding the Fourth Proportional to 229,007.49, 316,035.41 and 127,029.63

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Solution

The fourth proportional to 229,007.49, 316,035.41 and 127,029.63 is: 175,303.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,007.49 : 316,035.41 = 127,029.63 : x
  2. Step 2: Convert to fraction form
    229,007.49/316,035.41 = 127,029.63/x
  3. Step 3: Cross multiply
    229,007.49x = 316,035.41 × 127,029.63
  4. Step 4: Simplify right side
    229,007.49x = 40,145,861,749.18
  5. Step 5: Solve for x
    x = 40,145,861,749.18/229,007.49
  6. Step 6: Final answer
    x = 175,303.71

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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.