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Finding the Fourth Proportional to 118,461.69, 177,666.33 and 34,203.57

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Solution

The fourth proportional to 118,461.69, 177,666.33 and 34,203.57 is: 51,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,461.69 : 177,666.33 = 34,203.57 : x
  2. Step 2: Convert to fraction form
    118,461.69/177,666.33 = 34,203.57/x
  3. Step 3: Cross multiply
    118,461.69x = 177,666.33 × 34,203.57
  4. Step 4: Simplify right side
    118,461.69x = 6,076,822,216.81
  5. Step 5: Solve for x
    x = 6,076,822,216.81/118,461.69
  6. Step 6: Final answer
    x = 51,297.78

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1.5x scale

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.