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Finding the Fourth Proportional to 371,113.98, 556,707.42 and 104,876.52

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Solution

The fourth proportional to 371,113.98, 556,707.42 and 104,876.52 is: 157,325.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,113.98 : 556,707.42 = 104,876.52 : x
  2. Step 2: Convert to fraction form
    371,113.98/556,707.42 = 104,876.52/x
  3. Step 3: Cross multiply
    371,113.98x = 556,707.42 × 104,876.52
  4. Step 4: Simplify right side
    371,113.98x = 58,385,536,867.78
  5. Step 5: Solve for x
    x = 58,385,536,867.78/371,113.98
  6. Step 6: Final answer
    x = 157,325.08

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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.