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Finding the Fourth Proportional to 63,216.40, 94,824.60 and 60,300.40

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Solution

The fourth proportional to 63,216.40, 94,824.60 and 60,300.40 is: 90,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,216.40 : 94,824.60 = 60,300.40 : x
  2. Step 2: Convert to fraction form
    63,216.40/94,824.60 = 60,300.40/x
  3. Step 3: Cross multiply
    63,216.40x = 94,824.60 × 60,300.40
  4. Step 4: Simplify right side
    63,216.40x = 5,717,961,309.84
  5. Step 5: Solve for x
    x = 5,717,961,309.84/63,216.40
  6. Step 6: Final answer
    x = 90,450.60

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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.