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Finding the Fourth Proportional to 364,047.14, 546,316.75 and 127,391.87

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Solution

The fourth proportional to 364,047.14, 546,316.75 and 127,391.87 is: 191,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,047.14 : 546,316.75 = 127,391.87 : x
  2. Step 2: Convert to fraction form
    364,047.14/546,316.75 = 127,391.87/x
  3. Step 3: Cross multiply
    364,047.14x = 546,316.75 × 127,391.87
  4. Step 4: Simplify right side
    364,047.14x = 69,596,309,026.28
  5. Step 5: Solve for x
    x = 69,596,309,026.28/364,047.14
  6. Step 6: Final answer
    x = 191,173.90

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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.