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Finding the Fourth Proportional to 371,395.89, 556,951.67 and 158,030.34

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Solution

The fourth proportional to 371,395.89, 556,951.67 and 158,030.34 is: 236,985.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,395.89 : 556,951.67 = 158,030.34 : x
  2. Step 2: Convert to fraction form
    371,395.89/556,951.67 = 158,030.34/x
  3. Step 3: Cross multiply
    371,395.89x = 556,951.67 × 158,030.34
  4. Step 4: Simplify right side
    371,395.89x = 88,015,260,983.52
  5. Step 5: Solve for x
    x = 88,015,260,983.52/371,395.89
  6. Step 6: Final answer
    x = 236,985.02

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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.