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Finding the Fourth Proportional to 94,059.76, 129,804.60 and 51,621

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Solution

The fourth proportional to 94,059.76, 129,804.60 and 51,621 is: 71,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,059.76 : 129,804.60 = 51,621 : x
  2. Step 2: Convert to fraction form
    94,059.76/129,804.60 = 51,621/x
  3. Step 3: Cross multiply
    94,059.76x = 129,804.60 × 51,621
  4. Step 4: Simplify right side
    94,059.76x = 6,700,643,256.60
  5. Step 5: Solve for x
    x = 6,700,643,256.60/94,059.76
  6. Step 6: Final answer
    x = 71,238.15

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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.