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Finding the Fourth Proportional to 183,061.53, 252,612.95 and 102,488.31

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Solution

The fourth proportional to 183,061.53, 252,612.95 and 102,488.31 is: 141,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,061.53 : 252,612.95 = 102,488.31 : x
  2. Step 2: Convert to fraction form
    183,061.53/252,612.95 = 102,488.31/x
  3. Step 3: Cross multiply
    183,061.53x = 252,612.95 × 102,488.31
  4. Step 4: Simplify right side
    183,061.53x = 25,889,873,817.17
  5. Step 5: Solve for x
    x = 25,889,873,817.17/183,061.53
  6. Step 6: Final answer
    x = 141,427.17

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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.