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Finding the Fourth Proportional to 255,826.00, 383,737.47 and 66,285.89

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Solution

The fourth proportional to 255,826.00, 383,737.47 and 66,285.89 is: 99,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,826.00 : 383,737.47 = 66,285.89 : x
  2. Step 2: Convert to fraction form
    255,826.00/383,737.47 = 66,285.89/x
  3. Step 3: Cross multiply
    255,826.00x = 383,737.47 × 66,285.89
  4. Step 4: Simplify right side
    255,826.00x = 25,436,381,714.86
  5. Step 5: Solve for x
    x = 25,436,381,714.86/255,826.00
  6. Step 6: Final answer
    x = 99,428.45

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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.