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Finding the Fourth Proportional to 191,773.02, 264,655.80 and 106,890.72

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Solution

The fourth proportional to 191,773.02, 264,655.80 and 106,890.72 is: 147,514.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,773.02 : 264,655.80 = 106,890.72 : x
  2. Step 2: Convert to fraction form
    191,773.02/264,655.80 = 106,890.72/x
  3. Step 3: Cross multiply
    191,773.02x = 264,655.80 × 106,890.72
  4. Step 4: Simplify right side
    191,773.02x = 28,289,249,014.18
  5. Step 5: Solve for x
    x = 28,289,249,014.18/191,773.02
  6. Step 6: Final answer
    x = 147,514.23

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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.