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Finding the Fourth Proportional to 94,509.66, 130,442.22 and 54,250.64

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Solution

The fourth proportional to 94,509.66, 130,442.22 and 54,250.64 is: 74,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,509.66 : 130,442.22 = 54,250.64 : x
  2. Step 2: Convert to fraction form
    94,509.66/130,442.22 = 54,250.64/x
  3. Step 3: Cross multiply
    94,509.66x = 130,442.22 × 54,250.64
  4. Step 4: Simplify right side
    94,509.66x = 7,076,573,265.81
  5. Step 5: Solve for x
    x = 7,076,573,265.81/94,509.66
  6. Step 6: Final answer
    x = 74,876.72

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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.