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Finding the Fourth Proportional to 97,759.54, 134,907.69 and 53,047.54

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Solution

The fourth proportional to 97,759.54, 134,907.69 and 53,047.54 is: 73,205.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,759.54 : 134,907.69 = 53,047.54 : x
  2. Step 2: Convert to fraction form
    97,759.54/134,907.69 = 53,047.54/x
  3. Step 3: Cross multiply
    97,759.54x = 134,907.69 × 53,047.54
  4. Step 4: Simplify right side
    97,759.54x = 7,156,521,081.58
  5. Step 5: Solve for x
    x = 7,156,521,081.58/97,759.54
  6. Step 6: Final answer
    x = 73,205.35

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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.