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Finding the Fourth Proportional to 176,625.57, 243,619.74 and 116,176.89

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Solution

The fourth proportional to 176,625.57, 243,619.74 and 116,176.89 is: 160,242.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,625.57 : 243,619.74 = 116,176.89 : x
  2. Step 2: Convert to fraction form
    176,625.57/243,619.74 = 116,176.89/x
  3. Step 3: Cross multiply
    176,625.57x = 243,619.74 × 116,176.89
  4. Step 4: Simplify right side
    176,625.57x = 28,302,983,735.81
  5. Step 5: Solve for x
    x = 28,302,983,735.81/176,625.57
  6. Step 6: Final answer
    x = 160,242.84

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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.