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Finding the Fourth Proportional to 183,858.20, 253,710.68 and 103,299.15

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Solution

The fourth proportional to 183,858.20, 253,710.68 and 103,299.15 is: 142,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,858.20 : 253,710.68 = 103,299.15 : x
  2. Step 2: Convert to fraction form
    183,858.20/253,710.68 = 103,299.15/x
  3. Step 3: Cross multiply
    183,858.20x = 253,710.68 × 103,299.15
  4. Step 4: Simplify right side
    183,858.20x = 26,208,097,178.78
  5. Step 5: Solve for x
    x = 26,208,097,178.78/183,858.20
  6. Step 6: Final answer
    x = 142,545.16

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1.5x scale

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.