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Finding the Fourth Proportional to 84,804.88, 127,203.48 and 34,904.08

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Solution

The fourth proportional to 84,804.88, 127,203.48 and 34,904.08 is: 52,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,804.88 : 127,203.48 = 34,904.08 : x
  2. Step 2: Convert to fraction form
    84,804.88/127,203.48 = 34,904.08/x
  3. Step 3: Cross multiply
    84,804.88x = 127,203.48 × 34,904.08
  4. Step 4: Simplify right side
    84,804.88x = 4,439,920,442.20
  5. Step 5: Solve for x
    x = 4,439,920,442.20/84,804.88
  6. Step 6: Final answer
    x = 52,354.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.