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Finding the Fourth Proportional to 94,407.84, 130,285.92 and 51,969.60

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Solution

The fourth proportional to 94,407.84, 130,285.92 and 51,969.60 is: 71,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,407.84 : 130,285.92 = 51,969.60 : x
  2. Step 2: Convert to fraction form
    94,407.84/130,285.92 = 51,969.60/x
  3. Step 3: Cross multiply
    94,407.84x = 130,285.92 × 51,969.60
  4. Step 4: Simplify right side
    94,407.84x = 6,770,907,148.03
  5. Step 5: Solve for x
    x = 6,770,907,148.03/94,407.84
  6. Step 6: Final answer
    x = 71,719.75

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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.