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Finding the Fourth Proportional to 219,562.12, 302,995.92 and 118,960.12

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Solution

The fourth proportional to 219,562.12, 302,995.92 and 118,960.12 is: 164,165.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,562.12 : 302,995.92 = 118,960.12 : x
  2. Step 2: Convert to fraction form
    219,562.12/302,995.92 = 118,960.12/x
  3. Step 3: Cross multiply
    219,562.12x = 302,995.92 × 118,960.12
  4. Step 4: Simplify right side
    219,562.12x = 36,044,431,002.71
  5. Step 5: Solve for x
    x = 36,044,431,002.71/219,562.12
  6. Step 6: Final answer
    x = 164,165.07

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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.