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Finding the Fourth Proportional to 364,042.10, 546,063.15 and 127,360.10

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Solution

The fourth proportional to 364,042.10, 546,063.15 and 127,360.10 is: 191,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,042.10 : 546,063.15 = 127,360.10 : x
  2. Step 2: Convert to fraction form
    364,042.10/546,063.15 = 127,360.10/x
  3. Step 3: Cross multiply
    364,042.10x = 546,063.15 × 127,360.10
  4. Step 4: Simplify right side
    364,042.10x = 69,546,657,390.32
  5. Step 5: Solve for x
    x = 69,546,657,390.32/364,042.10
  6. Step 6: Final answer
    x = 191,040.15

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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.