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Finding the Fourth Proportional to 106,483.60, 146,994.60 and 68,776.24

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Solution

The fourth proportional to 106,483.60, 146,994.60 and 68,776.24 is: 94,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,483.60 : 146,994.60 = 68,776.24 : x
  2. Step 2: Convert to fraction form
    106,483.60/146,994.60 = 68,776.24/x
  3. Step 3: Cross multiply
    106,483.60x = 146,994.60 × 68,776.24
  4. Step 4: Simplify right side
    106,483.60x = 10,109,735,888.30
  5. Step 5: Solve for x
    x = 10,109,735,888.30/106,483.60
  6. Step 6: Final answer
    x = 94,941.72

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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.