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Finding the Fourth Proportional to 104,077.37, 155,952.54 and 80,442.77

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Solution

The fourth proportional to 104,077.37, 155,952.54 and 80,442.77 is: 120,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,077.37 : 155,952.54 = 80,442.77 : x
  2. Step 2: Convert to fraction form
    104,077.37/155,952.54 = 80,442.77/x
  3. Step 3: Cross multiply
    104,077.37x = 155,952.54 × 80,442.77
  4. Step 4: Simplify right side
    104,077.37x = 12,545,254,403.61
  5. Step 5: Solve for x
    x = 12,545,254,403.61/104,077.37
  6. Step 6: Final answer
    x = 120,537.77

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1.5x scale

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.