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Finding the Fourth Proportional to 191,762.42, 264,573.50 and 111,173.86

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Solution

The fourth proportional to 191,762.42, 264,573.50 and 111,173.86 is: 153,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,762.42 : 264,573.50 = 111,173.86 : x
  2. Step 2: Convert to fraction form
    191,762.42/264,573.50 = 111,173.86/x
  3. Step 3: Cross multiply
    191,762.42x = 264,573.50 × 111,173.86
  4. Step 4: Simplify right side
    191,762.42x = 29,413,657,936.53
  5. Step 5: Solve for x
    x = 29,413,657,936.53/191,762.42
  6. Step 6: Final answer
    x = 153,385.93

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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.