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Finding the Fourth Proportional to 94,443.66, 130,321.17 and 53,605.08

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Solution

The fourth proportional to 94,443.66, 130,321.17 and 53,605.08 is: 73,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,443.66 : 130,321.17 = 53,605.08 : x
  2. Step 2: Convert to fraction form
    94,443.66/130,321.17 = 53,605.08/x
  3. Step 3: Cross multiply
    94,443.66x = 130,321.17 × 53,605.08
  4. Step 4: Simplify right side
    94,443.66x = 6,985,876,743.54
  5. Step 5: Solve for x
    x = 6,985,876,743.54/94,443.66
  6. Step 6: Final answer
    x = 73,968.72

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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.