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Finding the Fourth Proportional to 149,172.48, 223,791.60 and 64,946.16

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Solution

The fourth proportional to 149,172.48, 223,791.60 and 64,946.16 is: 97,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,172.48 : 223,791.60 = 64,946.16 : x
  2. Step 2: Convert to fraction form
    149,172.48/223,791.60 = 64,946.16/x
  3. Step 3: Cross multiply
    149,172.48x = 223,791.60 × 64,946.16
  4. Step 4: Simplify right side
    149,172.48x = 14,534,405,060.26
  5. Step 5: Solve for x
    x = 14,534,405,060.26/149,172.48
  6. Step 6: Final answer
    x = 97,433.56

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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.