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Finding the Fourth Proportional to 94,485, 130,387.32 and 52,043.88

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Solution

The fourth proportional to 94,485, 130,387.32 and 52,043.88 is: 71,819.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,485 : 130,387.32 = 52,043.88 : x
  2. Step 2: Convert to fraction form
    94,485/130,387.32 = 52,043.88/x
  3. Step 3: Cross multiply
    94,485x = 130,387.32 × 52,043.88
  4. Step 4: Simplify right side
    94,485x = 6,785,862,035.60
  5. Step 5: Solve for x
    x = 6,785,862,035.60/94,485
  6. Step 6: Final answer
    x = 71,819.46

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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.