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Finding the Fourth Proportional to 191,735.88, 264,596.40 and 111,211.08

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Solution

The fourth proportional to 191,735.88, 264,596.40 and 111,211.08 is: 153,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,735.88 : 264,596.40 = 111,211.08 : x
  2. Step 2: Convert to fraction form
    191,735.88/264,596.40 = 111,211.08/x
  3. Step 3: Cross multiply
    191,735.88x = 264,596.40 × 111,211.08
  4. Step 4: Simplify right side
    191,735.88x = 29,426,051,408.11
  5. Step 5: Solve for x
    x = 29,426,051,408.11/191,735.88
  6. Step 6: Final answer
    x = 153,471.80

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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.