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Finding the Fourth Proportional to 183,852.64, 253,643.16 and 115,851.52

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Solution

The fourth proportional to 183,852.64, 253,643.16 and 115,851.52 is: 159,828.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,852.64 : 253,643.16 = 115,851.52 : x
  2. Step 2: Convert to fraction form
    183,852.64/253,643.16 = 115,851.52/x
  3. Step 3: Cross multiply
    183,852.64x = 253,643.16 × 115,851.52
  4. Step 4: Simplify right side
    183,852.64x = 29,384,945,623.60
  5. Step 5: Solve for x
    x = 29,384,945,623.60/183,852.64
  6. Step 6: Final answer
    x = 159,828.79

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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.