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Finding the Fourth Proportional to 228,367.60, 342,551.40 and 70,595.80

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Solution

The fourth proportional to 228,367.60, 342,551.40 and 70,595.80 is: 105,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,367.60 : 342,551.40 = 70,595.80 : x
  2. Step 2: Convert to fraction form
    228,367.60/342,551.40 = 70,595.80/x
  3. Step 3: Cross multiply
    228,367.60x = 342,551.40 × 70,595.80
  4. Step 4: Simplify right side
    228,367.60x = 24,182,690,124.12
  5. Step 5: Solve for x
    x = 24,182,690,124.12/228,367.60
  6. Step 6: Final answer
    x = 105,893.70

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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.