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Finding the Fourth Proportional to 106,485.58, 146,951.04 and 58,740.58

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Solution

The fourth proportional to 106,485.58, 146,951.04 and 58,740.58 is: 81,062.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,485.58 : 146,951.04 = 58,740.58 : x
  2. Step 2: Convert to fraction form
    106,485.58/146,951.04 = 58,740.58/x
  3. Step 3: Cross multiply
    106,485.58x = 146,951.04 × 58,740.58
  4. Step 4: Simplify right side
    106,485.58x = 8,631,989,321.20
  5. Step 5: Solve for x
    x = 8,631,989,321.20/106,485.58
  6. Step 6: Final answer
    x = 81,062.52

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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.