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Finding the Fourth Proportional to 219,301.91, 302,637.54 and 118,699.91

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Solution

The fourth proportional to 219,301.91, 302,637.54 and 118,699.91 is: 163,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,301.91 : 302,637.54 = 118,699.91 : x
  2. Step 2: Convert to fraction form
    219,301.91/302,637.54 = 118,699.91/x
  3. Step 3: Cross multiply
    219,301.91x = 302,637.54 × 118,699.91
  4. Step 4: Simplify right side
    219,301.91x = 35,923,048,760.62
  5. Step 5: Solve for x
    x = 35,923,048,760.62/219,301.91
  6. Step 6: Final answer
    x = 163,806.37

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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.