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Finding the Fourth Proportional to 183,369.34, 253,042.47 and 103,881.34

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Solution

The fourth proportional to 183,369.34, 253,042.47 and 103,881.34 is: 143,352.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,369.34 : 253,042.47 = 103,881.34 : x
  2. Step 2: Convert to fraction form
    183,369.34/253,042.47 = 103,881.34/x
  3. Step 3: Cross multiply
    183,369.34x = 253,042.47 × 103,881.34
  4. Step 4: Simplify right side
    183,369.34x = 26,286,390,860.51
  5. Step 5: Solve for x
    x = 26,286,390,860.51/183,369.34
  6. Step 6: Final answer
    x = 143,352.16

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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.