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Finding the Fourth Proportional to 84,807.22, 127,269.16 and 29,403.22

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Solution

The fourth proportional to 84,807.22, 127,269.16 and 29,403.22 is: 44,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,807.22 : 127,269.16 = 29,403.22 : x
  2. Step 2: Convert to fraction form
    84,807.22/127,269.16 = 29,403.22/x
  3. Step 3: Cross multiply
    84,807.22x = 127,269.16 × 29,403.22
  4. Step 4: Simplify right side
    84,807.22x = 3,742,122,963.68
  5. Step 5: Solve for x
    x = 3,742,122,963.68/84,807.22
  6. Step 6: Final answer
    x = 44,125.05

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1.5x scale

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.