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Finding the Fourth Proportional to 141,803.71, 212,736.32 and 41,970.92

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Solution

The fourth proportional to 141,803.71, 212,736.32 and 41,970.92 is: 62,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,803.71 : 212,736.32 = 41,970.92 : x
  2. Step 2: Convert to fraction form
    141,803.71/212,736.32 = 41,970.92/x
  3. Step 3: Cross multiply
    141,803.71x = 212,736.32 × 41,970.92
  4. Step 4: Simplify right side
    141,803.71x = 8,928,739,683.56
  5. Step 5: Solve for x
    x = 8,928,739,683.56/141,803.71
  6. Step 6: Final answer
    x = 62,965.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.