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Finding the Fourth Proportional to 83,216.43, 114,838.68 and 45,490.68

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Solution

The fourth proportional to 83,216.43, 114,838.68 and 45,490.68 is: 62,777.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,216.43 : 114,838.68 = 45,490.68 : x
  2. Step 2: Convert to fraction form
    83,216.43/114,838.68 = 45,490.68/x
  3. Step 3: Cross multiply
    83,216.43x = 114,838.68 × 45,490.68
  4. Step 4: Simplify right side
    83,216.43x = 5,224,089,643.50
  5. Step 5: Solve for x
    x = 5,224,089,643.50/83,216.43
  6. Step 6: Final answer
    x = 62,777.14

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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.