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Finding the Fourth Proportional to 94,449.65, 130,335.48 and 54,161.46

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Solution

The fourth proportional to 94,449.65, 130,335.48 and 54,161.46 is: 74,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,449.65 : 130,335.48 = 54,161.46 : x
  2. Step 2: Convert to fraction form
    94,449.65/130,335.48 = 54,161.46/x
  3. Step 3: Cross multiply
    94,449.65x = 130,335.48 × 54,161.46
  4. Step 4: Simplify right side
    94,449.65x = 7,059,159,886.60
  5. Step 5: Solve for x
    x = 7,059,159,886.60/94,449.65
  6. Step 6: Final answer
    x = 74,739.93

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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.