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Finding the Fourth Proportional to 176,840.08, 244,011.90 and 101,374

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Solution

The fourth proportional to 176,840.08, 244,011.90 and 101,374 is: 139,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,840.08 : 244,011.90 = 101,374 : x
  2. Step 2: Convert to fraction form
    176,840.08/244,011.90 = 101,374/x
  3. Step 3: Cross multiply
    176,840.08x = 244,011.90 × 101,374
  4. Step 4: Simplify right side
    176,840.08x = 24,736,462,350.60
  5. Step 5: Solve for x
    x = 24,736,462,350.60/176,840.08
  6. Step 6: Final answer
    x = 139,880.41

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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.