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Finding the Fourth Proportional to 237,074.60, 355,663.10 and 70,879.40

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Solution

The fourth proportional to 237,074.60, 355,663.10 and 70,879.40 is: 106,334.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,074.60 : 355,663.10 = 70,879.40 : x
  2. Step 2: Convert to fraction form
    237,074.60/355,663.10 = 70,879.40/x
  3. Step 3: Cross multiply
    237,074.60x = 355,663.10 × 70,879.40
  4. Step 4: Simplify right side
    237,074.60x = 25,209,187,130.14
  5. Step 5: Solve for x
    x = 25,209,187,130.14/237,074.60
  6. Step 6: Final answer
    x = 106,334.41

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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.