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Finding the Fourth Proportional to 97,292.34, 134,256.69 and 54,841.86

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Solution

The fourth proportional to 97,292.34, 134,256.69 and 54,841.86 is: 75,677.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,292.34 : 134,256.69 = 54,841.86 : x
  2. Step 2: Convert to fraction form
    97,292.34/134,256.69 = 54,841.86/x
  3. Step 3: Cross multiply
    97,292.34x = 134,256.69 × 54,841.86
  4. Step 4: Simplify right side
    97,292.34x = 7,362,886,597.04
  5. Step 5: Solve for x
    x = 7,362,886,597.04/97,292.34
  6. Step 6: Final answer
    x = 75,677.97

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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.