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Finding the Fourth Proportional to 255,692.64, 383,594.32 and 97,921.08

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Solution

The fourth proportional to 255,692.64, 383,594.32 and 97,921.08 is: 146,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,692.64 : 383,594.32 = 97,921.08 : x
  2. Step 2: Convert to fraction form
    255,692.64/383,594.32 = 97,921.08/x
  3. Step 3: Cross multiply
    255,692.64x = 383,594.32 × 97,921.08
  4. Step 4: Simplify right side
    255,692.64x = 37,561,970,096.27
  5. Step 5: Solve for x
    x = 37,561,970,096.27/255,692.64
  6. Step 6: Final answer
    x = 146,902.82

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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.