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Finding the Fourth Proportional to 84,807, 127,268.82 and 29,403

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Solution

The fourth proportional to 84,807, 127,268.82 and 29,403 is: 44,124.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,807 : 127,268.82 = 29,403 : x
  2. Step 2: Convert to fraction form
    84,807/127,268.82 = 29,403/x
  3. Step 3: Cross multiply
    84,807x = 127,268.82 × 29,403
  4. Step 4: Simplify right side
    84,807x = 3,742,085,114.46
  5. Step 5: Solve for x
    x = 3,742,085,114.46/84,807
  6. Step 6: Final answer
    x = 44,124.72

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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.