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Finding the Fourth Proportional to 183,887.87, 253,773.10 and 103,315.55

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Solution

The fourth proportional to 183,887.87, 253,773.10 and 103,315.55 is: 142,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,887.87 : 253,773.10 = 103,315.55 : x
  2. Step 2: Convert to fraction form
    183,887.87/253,773.10 = 103,315.55/x
  3. Step 3: Cross multiply
    183,887.87x = 253,773.10 × 103,315.55
  4. Step 4: Simplify right side
    183,887.87x = 26,218,707,689.46
  5. Step 5: Solve for x
    x = 26,218,707,689.46/183,887.87
  6. Step 6: Final answer
    x = 142,579.86

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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.