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Finding the Fourth Proportional to 96,081.40, 143,927.70 and 66,532.60

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Solution

The fourth proportional to 96,081.40, 143,927.70 and 66,532.60 is: 99,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,081.40 : 143,927.70 = 66,532.60 : x
  2. Step 2: Convert to fraction form
    96,081.40/143,927.70 = 66,532.60/x
  3. Step 3: Cross multiply
    96,081.40x = 143,927.70 × 66,532.60
  4. Step 4: Simplify right side
    96,081.40x = 9,575,884,093.02
  5. Step 5: Solve for x
    x = 9,575,884,093.02/96,081.40
  6. Step 6: Final answer
    x = 99,664.29

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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.