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Finding the Fourth Proportional to 183,663.40, 253,459.25 and 103,096.75

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Solution

The fourth proportional to 183,663.40, 253,459.25 and 103,096.75 is: 142,275.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,663.40 : 253,459.25 = 103,096.75 : x
  2. Step 2: Convert to fraction form
    183,663.40/253,459.25 = 103,096.75/x
  3. Step 3: Cross multiply
    183,663.40x = 253,459.25 × 103,096.75
  4. Step 4: Simplify right side
    183,663.40x = 26,130,824,932.44
  5. Step 5: Solve for x
    x = 26,130,824,932.44/183,663.40
  6. Step 6: Final answer
    x = 142,275.62

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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.