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Finding the Fourth Proportional to 97,156.53, 134,076.87 and 58,903.47

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Solution

The fourth proportional to 97,156.53, 134,076.87 and 58,903.47 is: 81,287.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,156.53 : 134,076.87 = 58,903.47 : x
  2. Step 2: Convert to fraction form
    97,156.53/134,076.87 = 58,903.47/x
  3. Step 3: Cross multiply
    97,156.53x = 134,076.87 × 58,903.47
  4. Step 4: Simplify right side
    97,156.53x = 7,897,592,889.74
  5. Step 5: Solve for x
    x = 7,897,592,889.74/97,156.53
  6. Step 6: Final answer
    x = 81,287.31

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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.