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Finding the Fourth Proportional to 85,313.04, 127,969.56 and 43,733.52

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Solution

The fourth proportional to 85,313.04, 127,969.56 and 43,733.52 is: 65,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,313.04 : 127,969.56 = 43,733.52 : x
  2. Step 2: Convert to fraction form
    85,313.04/127,969.56 = 43,733.52/x
  3. Step 3: Cross multiply
    85,313.04x = 127,969.56 × 43,733.52
  4. Step 4: Simplify right side
    85,313.04x = 5,596,559,311.65
  5. Step 5: Solve for x
    x = 5,596,559,311.65/85,313.04
  6. Step 6: Final answer
    x = 65,600.28

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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.