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Finding the Fourth Proportional to 94,406.96, 130,281.48 and 51,968.21

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Solution

The fourth proportional to 94,406.96, 130,281.48 and 51,968.21 is: 71,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,406.96 : 130,281.48 = 51,968.21 : x
  2. Step 2: Convert to fraction form
    94,406.96/130,281.48 = 51,968.21/x
  3. Step 3: Cross multiply
    94,406.96x = 130,281.48 × 51,968.21
  4. Step 4: Simplify right side
    94,406.96x = 6,770,495,311.75
  5. Step 5: Solve for x
    x = 6,770,495,311.75/94,406.96
  6. Step 6: Final answer
    x = 71,716.06

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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.