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Finding the Fourth Proportional to 94,551.20, 130,444.08 and 54,250.40

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Solution

The fourth proportional to 94,551.20, 130,444.08 and 54,250.40 is: 74,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,551.20 : 130,444.08 = 54,250.40 : x
  2. Step 2: Convert to fraction form
    94,551.20/130,444.08 = 54,250.40/x
  3. Step 3: Cross multiply
    94,551.20x = 130,444.08 × 54,250.40
  4. Step 4: Simplify right side
    94,551.20x = 7,076,643,517.63
  5. Step 5: Solve for x
    x = 7,076,643,517.63/94,551.20
  6. Step 6: Final answer
    x = 74,844.57

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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.