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Finding the Fourth Proportional to 94,765.52, 130,735.32 and 54,470

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Solution

The fourth proportional to 94,765.52, 130,735.32 and 54,470 is: 75,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,765.52 : 130,735.32 = 54,470 : x
  2. Step 2: Convert to fraction form
    94,765.52/130,735.32 = 54,470/x
  3. Step 3: Cross multiply
    94,765.52x = 130,735.32 × 54,470
  4. Step 4: Simplify right side
    94,765.52x = 7,121,152,880.40
  5. Step 5: Solve for x
    x = 7,121,152,880.40/94,765.52
  6. Step 6: Final answer
    x = 75,144.98

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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.