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Finding the Fourth Proportional to 118,526.70, 177,790.05 and 29,783.10

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Solution

The fourth proportional to 118,526.70, 177,790.05 and 29,783.10 is: 44,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,526.70 : 177,790.05 = 29,783.10 : x
  2. Step 2: Convert to fraction form
    118,526.70/177,790.05 = 29,783.10/x
  3. Step 3: Cross multiply
    118,526.70x = 177,790.05 × 29,783.10
  4. Step 4: Simplify right side
    118,526.70x = 5,295,138,838.16
  5. Step 5: Solve for x
    x = 5,295,138,838.16/118,526.70
  6. Step 6: Final answer
    x = 44,674.65

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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.