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Finding the Fourth Proportional to 245,152.95, 367,876.31 and 104,911.71

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Solution

The fourth proportional to 245,152.95, 367,876.31 and 104,911.71 is: 157,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,152.95 : 367,876.31 = 104,911.71 : x
  2. Step 2: Convert to fraction form
    245,152.95/367,876.31 = 104,911.71/x
  3. Step 3: Cross multiply
    245,152.95x = 367,876.31 × 104,911.71
  4. Step 4: Simplify right side
    245,152.95x = 38,594,532,750.59
  5. Step 5: Solve for x
    x = 38,594,532,750.59/245,152.95
  6. Step 6: Final answer
    x = 157,430.42

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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.