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Finding the Fourth Proportional to 118,262.66, 177,417.33 and 43,383.50

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Solution

The fourth proportional to 118,262.66, 177,417.33 and 43,383.50 is: 65,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,262.66 : 177,417.33 = 43,383.50 : x
  2. Step 2: Convert to fraction form
    118,262.66/177,417.33 = 43,383.50/x
  3. Step 3: Cross multiply
    118,262.66x = 177,417.33 × 43,383.50
  4. Step 4: Simplify right side
    118,262.66x = 7,696,983,632.05
  5. Step 5: Solve for x
    x = 7,696,983,632.05/118,262.66
  6. Step 6: Final answer
    x = 65,083.80

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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.