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Finding the Fourth Proportional to 104,803.54, 144,632.59 and 57,060.32

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Solution

The fourth proportional to 104,803.54, 144,632.59 and 57,060.32 is: 78,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,803.54 : 144,632.59 = 57,060.32 : x
  2. Step 2: Convert to fraction form
    104,803.54/144,632.59 = 57,060.32/x
  3. Step 3: Cross multiply
    104,803.54x = 144,632.59 × 57,060.32
  4. Step 4: Simplify right side
    104,803.54x = 8,252,781,002.02
  5. Step 5: Solve for x
    x = 8,252,781,002.02/104,803.54
  6. Step 6: Final answer
    x = 78,745.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.