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Finding the Fourth Proportional to 364,009.06, 546,039.51 and 127,411.30

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Solution

The fourth proportional to 364,009.06, 546,039.51 and 127,411.30 is: 191,126.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,009.06 : 546,039.51 = 127,411.30 : x
  2. Step 2: Convert to fraction form
    364,009.06/546,039.51 = 127,411.30/x
  3. Step 3: Cross multiply
    364,009.06x = 546,039.51 × 127,411.30
  4. Step 4: Simplify right side
    364,009.06x = 69,571,603,820.46
  5. Step 5: Solve for x
    x = 69,571,603,820.46/364,009.06
  6. Step 6: Final answer
    x = 191,126.02

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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.