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Finding the Fourth Proportional to 85,532.46, 118,031.07 and 46,769.56

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Solution

The fourth proportional to 85,532.46, 118,031.07 and 46,769.56 is: 64,539.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,532.46 : 118,031.07 = 46,769.56 : x
  2. Step 2: Convert to fraction form
    85,532.46/118,031.07 = 46,769.56/x
  3. Step 3: Cross multiply
    85,532.46x = 118,031.07 × 46,769.56
  4. Step 4: Simplify right side
    85,532.46x = 5,520,261,210.23
  5. Step 5: Solve for x
    x = 5,520,261,210.23/85,532.46
  6. Step 6: Final answer
    x = 64,539.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.