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Finding the Fourth Proportional to 219,258.63, 302,576.90 and 118,656.63

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Solution

The fourth proportional to 219,258.63, 302,576.90 and 118,656.63 is: 163,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,258.63 : 302,576.90 = 118,656.63 : x
  2. Step 2: Convert to fraction form
    219,258.63/302,576.90 = 118,656.63/x
  3. Step 3: Cross multiply
    219,258.63x = 302,576.90 × 118,656.63
  4. Step 4: Simplify right side
    219,258.63x = 35,902,755,269.85
  5. Step 5: Solve for x
    x = 35,902,755,269.85/219,258.63
  6. Step 6: Final answer
    x = 163,746.14

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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.