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Finding the Fourth Proportional to 219,035.46, 302,269.05 and 118,433.46

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Solution

The fourth proportional to 219,035.46, 302,269.05 and 118,433.46 is: 163,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,035.46 : 302,269.05 = 118,433.46 : x
  2. Step 2: Convert to fraction form
    219,035.46/302,269.05 = 118,433.46/x
  3. Step 3: Cross multiply
    219,035.46x = 302,269.05 × 118,433.46
  4. Step 4: Simplify right side
    219,035.46x = 35,798,769,442.41
  5. Step 5: Solve for x
    x = 35,798,769,442.41/219,035.46
  6. Step 6: Final answer
    x = 163,438.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.