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Finding the Fourth Proportional to 219,118.14, 302,383.05 and 118,516.14

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Solution

The fourth proportional to 219,118.14, 302,383.05 and 118,516.14 is: 163,552.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,118.14 : 302,383.05 = 118,516.14 : x
  2. Step 2: Convert to fraction form
    219,118.14/302,383.05 = 118,516.14/x
  3. Step 3: Cross multiply
    219,118.14x = 302,383.05 × 118,516.14
  4. Step 4: Simplify right side
    219,118.14x = 35,837,271,887.43
  5. Step 5: Solve for x
    x = 35,837,271,887.43/219,118.14
  6. Step 6: Final answer
    x = 163,552.28

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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.