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Finding the Fourth Proportional to 191,817.63, 264,708.95 and 111,292.83

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Solution

The fourth proportional to 191,817.63, 264,708.95 and 111,292.83 is: 153,584.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,817.63 : 264,708.95 = 111,292.83 : x
  2. Step 2: Convert to fraction form
    191,817.63/264,708.95 = 111,292.83/x
  3. Step 3: Cross multiply
    191,817.63x = 264,708.95 × 111,292.83
  4. Step 4: Simplify right side
    191,817.63x = 29,460,207,615.36
  5. Step 5: Solve for x
    x = 29,460,207,615.36/191,817.63
  6. Step 6: Final answer
    x = 153,584.46

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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.