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Finding the Fourth Proportional to 76,880.63, 106,095.29 and 43,346.63

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Solution

The fourth proportional to 76,880.63, 106,095.29 and 43,346.63 is: 59,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,880.63 : 106,095.29 = 43,346.63 : x
  2. Step 2: Convert to fraction form
    76,880.63/106,095.29 = 43,346.63/x
  3. Step 3: Cross multiply
    76,880.63x = 106,095.29 × 43,346.63
  4. Step 4: Simplify right side
    76,880.63x = 4,598,873,280.37
  5. Step 5: Solve for x
    x = 4,598,873,280.37/76,880.63
  6. Step 6: Final answer
    x = 59,818.36

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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.