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Finding the Fourth Proportional to 174,266.40, 260,816.40 and 121,778.40

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Solution

The fourth proportional to 174,266.40, 260,816.40 and 121,778.40 is: 182,260.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,266.40 : 260,816.40 = 121,778.40 : x
  2. Step 2: Convert to fraction form
    174,266.40/260,816.40 = 121,778.40/x
  3. Step 3: Cross multiply
    174,266.40x = 260,816.40 × 121,778.40
  4. Step 4: Simplify right side
    174,266.40x = 31,761,803,885.76
  5. Step 5: Solve for x
    x = 31,761,803,885.76/174,266.40
  6. Step 6: Final answer
    x = 182,260.06

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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.