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Finding the Fourth Proportional to 219,266.40, 302,587.62 and 118,664.40

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Solution

The fourth proportional to 219,266.40, 302,587.62 and 118,664.40 is: 163,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,266.40 : 302,587.62 = 118,664.40 : x
  2. Step 2: Convert to fraction form
    219,266.40/302,587.62 = 118,664.40/x
  3. Step 3: Cross multiply
    219,266.40x = 302,587.62 × 118,664.40
  4. Step 4: Simplify right side
    219,266.40x = 35,906,378,374.73
  5. Step 5: Solve for x
    x = 35,906,378,374.73/219,266.40
  6. Step 6: Final answer
    x = 163,756.87

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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.