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Finding the Fourth Proportional to 219,251.32, 302,567.70 and 118,649.32

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Solution

The fourth proportional to 219,251.32, 302,567.70 and 118,649.32 is: 163,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,251.32 : 302,567.70 = 118,649.32 : x
  2. Step 2: Convert to fraction form
    219,251.32/302,567.70 = 118,649.32/x
  3. Step 3: Cross multiply
    219,251.32x = 302,567.70 × 118,649.32
  4. Step 4: Simplify right side
    219,251.32x = 35,899,451,547.48
  5. Step 5: Solve for x
    x = 35,899,451,547.48/219,251.32
  6. Step 6: Final answer
    x = 163,736.54

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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.