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Finding the Fourth Proportional to 183,603.16, 253,357.44 and 103,019.48

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Solution

The fourth proportional to 183,603.16, 253,357.44 and 103,019.48 is: 142,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,603.16 : 253,357.44 = 103,019.48 : x
  2. Step 2: Convert to fraction form
    183,603.16/253,357.44 = 103,019.48/x
  3. Step 3: Cross multiply
    183,603.16x = 253,357.44 × 103,019.48
  4. Step 4: Simplify right side
    183,603.16x = 26,100,751,722.93
  5. Step 5: Solve for x
    x = 26,100,751,722.93/183,603.16
  6. Step 6: Final answer
    x = 142,158.51

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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.