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Finding the Fourth Proportional to 183,218.61, 252,848.94 and 102,646.80

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Solution

The fourth proportional to 183,218.61, 252,848.94 and 102,646.80 is: 141,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,218.61 : 252,848.94 = 102,646.80 : x
  2. Step 2: Convert to fraction form
    183,218.61/252,848.94 = 102,646.80/x
  3. Step 3: Cross multiply
    183,218.61x = 252,848.94 × 102,646.80
  4. Step 4: Simplify right side
    183,218.61x = 25,954,134,574.39
  5. Step 5: Solve for x
    x = 25,954,134,574.39/183,218.61
  6. Step 6: Final answer
    x = 141,656.65

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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.