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Finding the Fourth Proportional to 176,291.63, 243,257.96 and 103,697.81

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Solution

The fourth proportional to 176,291.63, 243,257.96 and 103,697.81 is: 143,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,291.63 : 243,257.96 = 103,697.81 : x
  2. Step 2: Convert to fraction form
    176,291.63/243,257.96 = 103,697.81/x
  3. Step 3: Cross multiply
    176,291.63x = 243,257.96 × 103,697.81
  4. Step 4: Simplify right side
    176,291.63x = 25,225,317,198.58
  5. Step 5: Solve for x
    x = 25,225,317,198.58/176,291.63
  6. Step 6: Final answer
    x = 143,088.57

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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.