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Finding the Fourth Proportional to 196,690.95, 295,036.80 and 84,298.29

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Solution

The fourth proportional to 196,690.95, 295,036.80 and 84,298.29 is: 126,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,690.95 : 295,036.80 = 84,298.29 : x
  2. Step 2: Convert to fraction form
    196,690.95/295,036.80 = 84,298.29/x
  3. Step 3: Cross multiply
    196,690.95x = 295,036.80 × 84,298.29
  4. Step 4: Simplify right side
    196,690.95x = 24,871,097,727.07
  5. Step 5: Solve for x
    x = 24,871,097,727.07/196,690.95
  6. Step 6: Final answer
    x = 126,447.60

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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.