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Finding the Fourth Proportional to 364,281.32, 546,091.16 and 127,494.83

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Solution

The fourth proportional to 364,281.32, 546,091.16 and 127,494.83 is: 191,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,281.32 : 546,091.16 = 127,494.83 : x
  2. Step 2: Convert to fraction form
    364,281.32/546,091.16 = 127,494.83/x
  3. Step 3: Cross multiply
    364,281.32x = 546,091.16 × 127,494.83
  4. Step 4: Simplify right side
    364,281.32x = 69,623,796,240.77
  5. Step 5: Solve for x
    x = 69,623,796,240.77/364,281.32
  6. Step 6: Final answer
    x = 191,126.45

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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.