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Finding the Fourth Proportional to 183,447.90, 253,050.86 and 115,357.08

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Solution

The fourth proportional to 183,447.90, 253,050.86 and 115,357.08 is: 159,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,447.90 : 253,050.86 = 115,357.08 : x
  2. Step 2: Convert to fraction form
    183,447.90/253,050.86 = 115,357.08/x
  3. Step 3: Cross multiply
    183,447.90x = 253,050.86 × 115,357.08
  4. Step 4: Simplify right side
    183,447.90x = 29,191,207,724.30
  5. Step 5: Solve for x
    x = 29,191,207,724.30/183,447.90
  6. Step 6: Final answer
    x = 159,125.33

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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.