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Finding the Fourth Proportional to 196,866.40, 295,342.80 and 97,074.40

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Solution

The fourth proportional to 196,866.40, 295,342.80 and 97,074.40 is: 145,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,866.40 : 295,342.80 = 97,074.40 : x
  2. Step 2: Convert to fraction form
    196,866.40/295,342.80 = 97,074.40/x
  3. Step 3: Cross multiply
    196,866.40x = 295,342.80 × 97,074.40
  4. Step 4: Simplify right side
    196,866.40x = 28,670,225,104.32
  5. Step 5: Solve for x
    x = 28,670,225,104.32/196,866.40
  6. Step 6: Final answer
    x = 145,632.90

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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.