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Finding the Fourth Proportional to 127,124.88, 190,714.65 and 42,887.13

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Solution

The fourth proportional to 127,124.88, 190,714.65 and 42,887.13 is: 64,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,124.88 : 190,714.65 = 42,887.13 : x
  2. Step 2: Convert to fraction form
    127,124.88/190,714.65 = 42,887.13/x
  3. Step 3: Cross multiply
    127,124.88x = 190,714.65 × 42,887.13
  4. Step 4: Simplify right side
    127,124.88x = 8,179,203,987.45
  5. Step 5: Solve for x
    x = 8,179,203,987.45/127,124.88
  6. Step 6: Final answer
    x = 64,339.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.