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Finding the Fourth Proportional to 228,322.40, 342,483.60 and 70,566.80

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Solution

The fourth proportional to 228,322.40, 342,483.60 and 70,566.80 is: 105,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,322.40 : 342,483.60 = 70,566.80 : x
  2. Step 2: Convert to fraction form
    228,322.40/342,483.60 = 70,566.80/x
  3. Step 3: Cross multiply
    228,322.40x = 342,483.60 × 70,566.80
  4. Step 4: Simplify right side
    228,322.40x = 24,167,971,704.48
  5. Step 5: Solve for x
    x = 24,167,971,704.48/228,322.40
  6. Step 6: Final answer
    x = 105,850.20

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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.