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Finding the Fourth Proportional to 106,482.48, 146,940.53 and 58,734.60

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Solution

The fourth proportional to 106,482.48, 146,940.53 and 58,734.60 is: 81,050.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,482.48 : 146,940.53 = 58,734.60 : x
  2. Step 2: Convert to fraction form
    106,482.48/146,940.53 = 58,734.60/x
  3. Step 3: Cross multiply
    106,482.48x = 146,940.53 × 58,734.60
  4. Step 4: Simplify right side
    106,482.48x = 8,630,492,959.67
  5. Step 5: Solve for x
    x = 8,630,492,959.67/106,482.48
  6. Step 6: Final answer
    x = 81,050.83

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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.