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Finding the Fourth Proportional to 355,865.76, 533,808.32 and 119,164.32

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Solution

The fourth proportional to 355,865.76, 533,808.32 and 119,164.32 is: 178,749.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,865.76 : 533,808.32 = 119,164.32 : x
  2. Step 2: Convert to fraction form
    355,865.76/533,808.32 = 119,164.32/x
  3. Step 3: Cross multiply
    355,865.76x = 533,808.32 × 119,164.32
  4. Step 4: Simplify right side
    355,865.76x = 63,610,905,463.14
  5. Step 5: Solve for x
    x = 63,610,905,463.14/355,865.76
  6. Step 6: Final answer
    x = 178,749.72

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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.