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Finding the Fourth Proportional to 94,707.54, 130,691.88 and 54,392.94

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Solution

The fourth proportional to 94,707.54, 130,691.88 and 54,392.94 is: 75,059.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,707.54 : 130,691.88 = 54,392.94 : x
  2. Step 2: Convert to fraction form
    94,707.54/130,691.88 = 54,392.94/x
  3. Step 3: Cross multiply
    94,707.54x = 130,691.88 × 54,392.94
  4. Step 4: Simplify right side
    94,707.54x = 7,108,715,587.33
  5. Step 5: Solve for x
    x = 7,108,715,587.33/94,707.54
  6. Step 6: Final answer
    x = 75,059.66

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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.