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Finding the Fourth Proportional to 118,610.37, 163,680.93 and 64,894.77

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Solution

The fourth proportional to 118,610.37, 163,680.93 and 64,894.77 is: 89,554.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,610.37 : 163,680.93 = 64,894.77 : x
  2. Step 2: Convert to fraction form
    118,610.37/163,680.93 = 64,894.77/x
  3. Step 3: Cross multiply
    118,610.37x = 163,680.93 × 64,894.77
  4. Step 4: Simplify right side
    118,610.37x = 10,622,036,305.74
  5. Step 5: Solve for x
    x = 10,622,036,305.74/118,610.37
  6. Step 6: Final answer
    x = 89,554.03

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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.