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Finding the Fourth Proportional to 94,728.40, 130,750.95 and 54,446.29

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Solution

The fourth proportional to 94,728.40, 130,750.95 and 54,446.29 is: 75,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,728.40 : 130,750.95 = 54,446.29 : x
  2. Step 2: Convert to fraction form
    94,728.40/130,750.95 = 54,446.29/x
  3. Step 3: Cross multiply
    94,728.40x = 130,750.95 × 54,446.29
  4. Step 4: Simplify right side
    94,728.40x = 7,118,904,141.48
  5. Step 5: Solve for x
    x = 7,118,904,141.48/94,728.40
  6. Step 6: Final answer
    x = 75,150.68

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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.