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Finding the Fourth Proportional to 197,967.60, 296,987.40 and 64,810.80

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Solution

The fourth proportional to 197,967.60, 296,987.40 and 64,810.80 is: 97,227.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,967.60 : 296,987.40 = 64,810.80 : x
  2. Step 2: Convert to fraction form
    197,967.60/296,987.40 = 64,810.80/x
  3. Step 3: Cross multiply
    197,967.60x = 296,987.40 × 64,810.80
  4. Step 4: Simplify right side
    197,967.60x = 19,247,990,983.92
  5. Step 5: Solve for x
    x = 19,247,990,983.92/197,967.60
  6. Step 6: Final answer
    x = 97,227.99

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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.