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Finding the Fourth Proportional to 183,651.10, 253,440.39 and 103,077.01

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Solution

The fourth proportional to 183,651.10, 253,440.39 and 103,077.01 is: 142,247.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,651.10 : 253,440.39 = 103,077.01 : x
  2. Step 2: Convert to fraction form
    183,651.10/253,440.39 = 103,077.01/x
  3. Step 3: Cross multiply
    183,651.10x = 253,440.39 × 103,077.01
  4. Step 4: Simplify right side
    183,651.10x = 26,123,876,347.23
  5. Step 5: Solve for x
    x = 26,123,876,347.23/183,651.10
  6. Step 6: Final answer
    x = 142,247.32

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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.