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Finding the Fourth Proportional to 127,326.16, 175,699.81 and 73,614.63

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Solution

The fourth proportional to 127,326.16, 175,699.81 and 73,614.63 is: 101,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,326.16 : 175,699.81 = 73,614.63 : x
  2. Step 2: Convert to fraction form
    127,326.16/175,699.81 = 73,614.63/x
  3. Step 3: Cross multiply
    127,326.16x = 175,699.81 × 73,614.63
  4. Step 4: Simplify right side
    127,326.16x = 12,934,076,759.43
  5. Step 5: Solve for x
    x = 12,934,076,759.43/127,326.16
  6. Step 6: Final answer
    x = 101,582.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.