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Finding the Fourth Proportional to 111,570.60, 167,010.30 and 64,684.20

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Solution

The fourth proportional to 111,570.60, 167,010.30 and 64,684.20 is: 96,825.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,570.60 : 167,010.30 = 64,684.20 : x
  2. Step 2: Convert to fraction form
    111,570.60/167,010.30 = 64,684.20/x
  3. Step 3: Cross multiply
    111,570.60x = 167,010.30 × 64,684.20
  4. Step 4: Simplify right side
    111,570.60x = 10,802,927,647.26
  5. Step 5: Solve for x
    x = 10,802,927,647.26/111,570.60
  6. Step 6: Final answer
    x = 96,825.93

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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.