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Finding the Fourth Proportional to 117,813.15, 176,661.33 and 41,900.31

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Solution

The fourth proportional to 117,813.15, 176,661.33 and 41,900.31 is: 62,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,813.15 : 176,661.33 = 41,900.31 : x
  2. Step 2: Convert to fraction form
    117,813.15/176,661.33 = 41,900.31/x
  3. Step 3: Cross multiply
    117,813.15x = 176,661.33 × 41,900.31
  4. Step 4: Simplify right side
    117,813.15x = 7,402,164,492.01
  5. Step 5: Solve for x
    x = 7,402,164,492.01/117,813.15
  6. Step 6: Final answer
    x = 62,829.70

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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.