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Finding the Fourth Proportional to 97,370.47, 134,377.47 and 54,913.51

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Solution

The fourth proportional to 97,370.47, 134,377.47 and 54,913.51 is: 75,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,370.47 : 134,377.47 = 54,913.51 : x
  2. Step 2: Convert to fraction form
    97,370.47/134,377.47 = 54,913.51/x
  3. Step 3: Cross multiply
    97,370.47x = 134,377.47 × 54,913.51
  4. Step 4: Simplify right side
    97,370.47x = 7,379,137,596.16
  5. Step 5: Solve for x
    x = 7,379,137,596.16/97,370.47
  6. Step 6: Final answer
    x = 75,784.15

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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.