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Finding the Fourth Proportional to 65,166.30, 97,749.45 and 43,004.70

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Solution

The fourth proportional to 65,166.30, 97,749.45 and 43,004.70 is: 64,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,166.30 : 97,749.45 = 43,004.70 : x
  2. Step 2: Convert to fraction form
    65,166.30/97,749.45 = 43,004.70/x
  3. Step 3: Cross multiply
    65,166.30x = 97,749.45 × 43,004.70
  4. Step 4: Simplify right side
    65,166.30x = 4,203,685,772.42
  5. Step 5: Solve for x
    x = 4,203,685,772.42/65,166.30
  6. Step 6: Final answer
    x = 64,507.05

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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.