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Finding the Fourth Proportional to 84,810.30, 127,273.75 and 29,406.30

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Solution

The fourth proportional to 84,810.30, 127,273.75 and 29,406.30 is: 44,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,810.30 : 127,273.75 = 29,406.30 : x
  2. Step 2: Convert to fraction form
    84,810.30/127,273.75 = 29,406.30/x
  3. Step 3: Cross multiply
    84,810.30x = 127,273.75 × 29,406.30
  4. Step 4: Simplify right side
    84,810.30x = 3,742,650,074.63
  5. Step 5: Solve for x
    x = 3,742,650,074.63/84,810.30
  6. Step 6: Final answer
    x = 44,129.66

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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.