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Finding the Fourth Proportional to 111,202.80, 166,804.20 and 98,955.60

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Solution

The fourth proportional to 111,202.80, 166,804.20 and 98,955.60 is: 148,433.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,202.80 : 166,804.20 = 98,955.60 : x
  2. Step 2: Convert to fraction form
    111,202.80/166,804.20 = 98,955.60/x
  3. Step 3: Cross multiply
    111,202.80x = 166,804.20 × 98,955.60
  4. Step 4: Simplify right side
    111,202.80x = 16,506,209,693.52
  5. Step 5: Solve for x
    x = 16,506,209,693.52/111,202.80
  6. Step 6: Final answer
    x = 148,433.40

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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.