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Finding the Fourth Proportional to 371,079.99, 556,656.45 and 104,842.59

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Solution

The fourth proportional to 371,079.99, 556,656.45 and 104,842.59 is: 157,274.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,079.99 : 556,656.45 = 104,842.59 : x
  2. Step 2: Convert to fraction form
    371,079.99/556,656.45 = 104,842.59/x
  3. Step 3: Cross multiply
    371,079.99x = 556,656.45 × 104,842.59
  4. Step 4: Simplify right side
    371,079.99x = 58,361,303,958.21
  5. Step 5: Solve for x
    x = 58,361,303,958.21/371,079.99
  6. Step 6: Final answer
    x = 157,274.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.