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Finding the Fourth Proportional to 255,951.70, 383,923.95 and 115,710.10

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Solution

The fourth proportional to 255,951.70, 383,923.95 and 115,710.10 is: 173,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,951.70 : 383,923.95 = 115,710.10 : x
  2. Step 2: Convert to fraction form
    255,951.70/383,923.95 = 115,710.10/x
  3. Step 3: Cross multiply
    255,951.70x = 383,923.95 × 115,710.10
  4. Step 4: Simplify right side
    255,951.70x = 44,423,878,646.90
  5. Step 5: Solve for x
    x = 44,423,878,646.90/255,951.70
  6. Step 6: Final answer
    x = 173,563.52

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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.