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Finding the Fourth Proportional to 129,300.72, 193,951.08 and 35,804.40

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Solution

The fourth proportional to 129,300.72, 193,951.08 and 35,804.40 is: 53,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,300.72 : 193,951.08 = 35,804.40 : x
  2. Step 2: Convert to fraction form
    129,300.72/193,951.08 = 35,804.40/x
  3. Step 3: Cross multiply
    129,300.72x = 193,951.08 × 35,804.40
  4. Step 4: Simplify right side
    129,300.72x = 6,944,302,048.75
  5. Step 5: Solve for x
    x = 6,944,302,048.75/129,300.72
  6. Step 6: Final answer
    x = 53,706.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.