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Finding the Fourth Proportional to 228,097.69, 342,124.62 and 70,283.77

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Solution

The fourth proportional to 228,097.69, 342,124.62 and 70,283.77 is: 105,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,097.69 : 342,124.62 = 70,283.77 : x
  2. Step 2: Convert to fraction form
    228,097.69/342,124.62 = 70,283.77/x
  3. Step 3: Cross multiply
    228,097.69x = 342,124.62 × 70,283.77
  4. Step 4: Simplify right side
    228,097.69x = 24,045,808,103.42
  5. Step 5: Solve for x
    x = 24,045,808,103.42/228,097.69
  6. Step 6: Final answer
    x = 105,418.90

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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.