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Finding the Fourth Proportional to 133,071.40, 199,607.10 and 130,884.40

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Solution

The fourth proportional to 133,071.40, 199,607.10 and 130,884.40 is: 196,326.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,071.40 : 199,607.10 = 130,884.40 : x
  2. Step 2: Convert to fraction form
    133,071.40/199,607.10 = 130,884.40/x
  3. Step 3: Cross multiply
    133,071.40x = 199,607.10 × 130,884.40
  4. Step 4: Simplify right side
    133,071.40x = 26,125,455,519.24
  5. Step 5: Solve for x
    x = 26,125,455,519.24/133,071.40
  6. Step 6: Final answer
    x = 196,326.60

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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.