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Finding the Fourth Proportional to 173,628, 239,608.08 and 94,140

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Solution

The fourth proportional to 173,628, 239,608.08 and 94,140 is: 129,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,628 : 239,608.08 = 94,140 : x
  2. Step 2: Convert to fraction form
    173,628/239,608.08 = 94,140/x
  3. Step 3: Cross multiply
    173,628x = 239,608.08 × 94,140
  4. Step 4: Simplify right side
    173,628x = 22,556,704,651.20
  5. Step 5: Solve for x
    x = 22,556,704,651.20/173,628
  6. Step 6: Final answer
    x = 129,913.98

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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.