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Finding the Fourth Proportional to 183,877.90, 253,735.95 and 103,299.10

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Solution

The fourth proportional to 183,877.90, 253,735.95 and 103,299.10 is: 142,544.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,877.90 : 253,735.95 = 103,299.10 : x
  2. Step 2: Convert to fraction form
    183,877.90/253,735.95 = 103,299.10/x
  3. Step 3: Cross multiply
    183,877.90x = 253,735.95 × 103,299.10
  4. Step 4: Simplify right side
    183,877.90x = 26,210,695,272.65
  5. Step 5: Solve for x
    x = 26,210,695,272.65/183,877.90
  6. Step 6: Final answer
    x = 142,544.02

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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.