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Finding the Fourth Proportional to 191,030.40, 263,606.40 and 114,566.40

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Solution

The fourth proportional to 191,030.40, 263,606.40 and 114,566.40 is: 158,092.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,030.40 : 263,606.40 = 114,566.40 : x
  2. Step 2: Convert to fraction form
    191,030.40/263,606.40 = 114,566.40/x
  3. Step 3: Cross multiply
    191,030.40x = 263,606.40 × 114,566.40
  4. Step 4: Simplify right side
    191,030.40x = 30,200,436,264.96
  5. Step 5: Solve for x
    x = 30,200,436,264.96/191,030.40
  6. Step 6: Final answer
    x = 158,092.31

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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.