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Finding the Fourth Proportional to 213,624.92, 294,804.30 and 118,138.04

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Solution

The fourth proportional to 213,624.92, 294,804.30 and 118,138.04 is: 163,031.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,624.92 : 294,804.30 = 118,138.04 : x
  2. Step 2: Convert to fraction form
    213,624.92/294,804.30 = 118,138.04/x
  3. Step 3: Cross multiply
    213,624.92x = 294,804.30 × 118,138.04
  4. Step 4: Simplify right side
    213,624.92x = 34,827,602,185.57
  5. Step 5: Solve for x
    x = 34,827,602,185.57/213,624.92
  6. Step 6: Final answer
    x = 163,031.55

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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.