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Finding the Fourth Proportional to 183,618.64, 253,392.72 and 103,046.08

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Solution

The fourth proportional to 183,618.64, 253,392.72 and 103,046.08 is: 142,203.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,618.64 : 253,392.72 = 103,046.08 : x
  2. Step 2: Convert to fraction form
    183,618.64/253,392.72 = 103,046.08/x
  3. Step 3: Cross multiply
    183,618.64x = 253,392.72 × 103,046.08
  4. Step 4: Simplify right side
    183,618.64x = 26,111,126,496.54
  5. Step 5: Solve for x
    x = 26,111,126,496.54/183,618.64
  6. Step 6: Final answer
    x = 142,203.03

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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.