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Finding the Fourth Proportional to 97,135.94, 133,076.72 and 93,495.53

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Solution

The fourth proportional to 97,135.94, 133,076.72 and 93,495.53 is: 128,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,135.94 : 133,076.72 = 93,495.53 : x
  2. Step 2: Convert to fraction form
    97,135.94/133,076.72 = 93,495.53/x
  3. Step 3: Cross multiply
    97,135.94x = 133,076.72 × 93,495.53
  4. Step 4: Simplify right side
    97,135.94x = 12,442,079,033.49
  5. Step 5: Solve for x
    x = 12,442,079,033.49/97,135.94
  6. Step 6: Final answer
    x = 128,089.34

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.