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Finding the Fourth Proportional to 94,752.34, 130,743.36 and 54,458.57

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Solution

The fourth proportional to 94,752.34, 130,743.36 and 54,458.57 is: 75,144.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,752.34 : 130,743.36 = 54,458.57 : x
  2. Step 2: Convert to fraction form
    94,752.34/130,743.36 = 54,458.57/x
  3. Step 3: Cross multiply
    94,752.34x = 130,743.36 × 54,458.57
  4. Step 4: Simplify right side
    94,752.34x = 7,120,096,953.67
  5. Step 5: Solve for x
    x = 7,120,096,953.67/94,752.34
  6. Step 6: Final answer
    x = 75,144.29

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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.