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Finding the Fourth Proportional to 115,963.74, 173,967.48 and 37,056.78

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Solution

The fourth proportional to 115,963.74, 173,967.48 and 37,056.78 is: 55,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,963.74 : 173,967.48 = 37,056.78 : x
  2. Step 2: Convert to fraction form
    115,963.74/173,967.48 = 37,056.78/x
  3. Step 3: Cross multiply
    115,963.74x = 173,967.48 × 37,056.78
  4. Step 4: Simplify right side
    115,963.74x = 6,446,674,633.51
  5. Step 5: Solve for x
    x = 6,446,674,633.51/115,963.74
  6. Step 6: Final answer
    x = 55,592.16

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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.