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Finding the Fourth Proportional to 252,649.16, 348,656.54 and 137,927.91

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Solution

The fourth proportional to 252,649.16, 348,656.54 and 137,927.91 is: 190,340.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,649.16 : 348,656.54 = 137,927.91 : x
  2. Step 2: Convert to fraction form
    252,649.16/348,656.54 = 137,927.91/x
  3. Step 3: Cross multiply
    252,649.16x = 348,656.54 × 137,927.91
  4. Step 4: Simplify right side
    252,649.16x = 48,089,467,180.39
  5. Step 5: Solve for x
    x = 48,089,467,180.39/252,649.16
  6. Step 6: Final answer
    x = 190,340.90

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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.