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Finding the Fourth Proportional to 186,552.83, 257,484.44 and 118,556.54

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Solution

The fourth proportional to 186,552.83, 257,484.44 and 118,556.54 is: 163,634.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,552.83 : 257,484.44 = 118,556.54 : x
  2. Step 2: Convert to fraction form
    186,552.83/257,484.44 = 118,556.54/x
  3. Step 3: Cross multiply
    186,552.83x = 257,484.44 × 118,556.54
  4. Step 4: Simplify right side
    186,552.83x = 30,526,463,319.21
  5. Step 5: Solve for x
    x = 30,526,463,319.21/186,552.83
  6. Step 6: Final answer
    x = 163,634.41

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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.