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Finding the Fourth Proportional to 64,100.40, 96,150.60 and 63,225.60

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Solution

The fourth proportional to 64,100.40, 96,150.60 and 63,225.60 is: 94,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,100.40 : 96,150.60 = 63,225.60 : x
  2. Step 2: Convert to fraction form
    64,100.40/96,150.60 = 63,225.60/x
  3. Step 3: Cross multiply
    64,100.40x = 96,150.60 × 63,225.60
  4. Step 4: Simplify right side
    64,100.40x = 6,079,179,375.36
  5. Step 5: Solve for x
    x = 6,079,179,375.36/64,100.40
  6. Step 6: Final answer
    x = 94,838.40

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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.