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Finding the Fourth Proportional to 219,328.75, 302,674.08 and 118,726.75

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Solution

The fourth proportional to 219,328.75, 302,674.08 and 118,726.75 is: 163,843.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,328.75 : 302,674.08 = 118,726.75 : x
  2. Step 2: Convert to fraction form
    219,328.75/302,674.08 = 118,726.75/x
  3. Step 3: Cross multiply
    219,328.75x = 302,674.08 × 118,726.75
  4. Step 4: Simplify right side
    219,328.75x = 35,935,509,827.64
  5. Step 5: Solve for x
    x = 35,935,509,827.64/219,328.75
  6. Step 6: Final answer
    x = 163,843.13

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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.