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Finding the Fourth Proportional to 118,107.81, 177,056.80 and 46,044.11

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Solution

The fourth proportional to 118,107.81, 177,056.80 and 46,044.11 is: 69,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,107.81 : 177,056.80 = 46,044.11 : x
  2. Step 2: Convert to fraction form
    118,107.81/177,056.80 = 46,044.11/x
  3. Step 3: Cross multiply
    118,107.81x = 177,056.80 × 46,044.11
  4. Step 4: Simplify right side
    118,107.81x = 8,152,421,947.72
  5. Step 5: Solve for x
    x = 8,152,421,947.72/118,107.81
  6. Step 6: Final answer
    x = 69,025.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.