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Finding the Fourth Proportional to 127,325.86, 190,943.62 and 37,343.58

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Solution

The fourth proportional to 127,325.86, 190,943.62 and 37,343.58 is: 56,002.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,325.86 : 190,943.62 = 37,343.58 : x
  2. Step 2: Convert to fraction form
    127,325.86/190,943.62 = 37,343.58/x
  3. Step 3: Cross multiply
    127,325.86x = 190,943.62 × 37,343.58
  4. Step 4: Simplify right side
    127,325.86x = 7,130,518,348.96
  5. Step 5: Solve for x
    x = 7,130,518,348.96/127,325.86
  6. Step 6: Final answer
    x = 56,002.12

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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.