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Finding the Fourth Proportional to 174,016.40, 260,830.20 and 99,172.40

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Solution

The fourth proportional to 174,016.40, 260,830.20 and 99,172.40 is: 148,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,016.40 : 260,830.20 = 99,172.40 : x
  2. Step 2: Convert to fraction form
    174,016.40/260,830.20 = 99,172.40/x
  3. Step 3: Cross multiply
    174,016.40x = 260,830.20 × 99,172.40
  4. Step 4: Simplify right side
    174,016.40x = 25,867,156,926.48
  5. Step 5: Solve for x
    x = 25,867,156,926.48/174,016.40
  6. Step 6: Final answer
    x = 148,647.81

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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.