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Finding the Fourth Proportional to 183,959.51, 253,533.44 and 136,129.82

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Solution

The fourth proportional to 183,959.51, 253,533.44 and 136,129.82 is: 187,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,959.51 : 253,533.44 = 136,129.82 : x
  2. Step 2: Convert to fraction form
    183,959.51/253,533.44 = 136,129.82/x
  3. Step 3: Cross multiply
    183,959.51x = 253,533.44 × 136,129.82
  4. Step 4: Simplify right side
    183,959.51x = 34,513,460,623.84
  5. Step 5: Solve for x
    x = 34,513,460,623.84/183,959.51
  6. Step 6: Final answer
    x = 187,614.45

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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.