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Finding the Fourth Proportional to 111,225.60, 166,838.40 and 64,598.40

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Solution

The fourth proportional to 111,225.60, 166,838.40 and 64,598.40 is: 96,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,225.60 : 166,838.40 = 64,598.40 : x
  2. Step 2: Convert to fraction form
    111,225.60/166,838.40 = 64,598.40/x
  3. Step 3: Cross multiply
    111,225.60x = 166,838.40 × 64,598.40
  4. Step 4: Simplify right side
    111,225.60x = 10,777,493,698.56
  5. Step 5: Solve for x
    x = 10,777,493,698.56/111,225.60
  6. Step 6: Final answer
    x = 96,897.60

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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.