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Finding the Fourth Proportional to 196,785.36, 295,287.36 and 121,946.16

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Solution

The fourth proportional to 196,785.36, 295,287.36 and 121,946.16 is: 182,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,785.36 : 295,287.36 = 121,946.16 : x
  2. Step 2: Convert to fraction form
    196,785.36/295,287.36 = 121,946.16/x
  3. Step 3: Cross multiply
    196,785.36x = 295,287.36 × 121,946.16
  4. Step 4: Simplify right side
    196,785.36x = 36,009,159,648.54
  5. Step 5: Solve for x
    x = 36,009,159,648.54/196,785.36
  6. Step 6: Final answer
    x = 182,986.98

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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.