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Finding the Fourth Proportional to 183,365.88, 253,065.91 and 102,815.16

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Solution

The fourth proportional to 183,365.88, 253,065.91 and 102,815.16 is: 141,896.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,365.88 : 253,065.91 = 102,815.16 : x
  2. Step 2: Convert to fraction form
    183,365.88/253,065.91 = 102,815.16/x
  3. Step 3: Cross multiply
    183,365.88x = 253,065.91 × 102,815.16
  4. Step 4: Simplify right side
    183,365.88x = 26,019,012,027.20
  5. Step 5: Solve for x
    x = 26,019,012,027.20/183,365.88
  6. Step 6: Final answer
    x = 141,896.69

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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.