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Finding the Fourth Proportional to 134,894.60, 201,881.10 and 118,305.80

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Solution

The fourth proportional to 134,894.60, 201,881.10 and 118,305.80 is: 177,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,894.60 : 201,881.10 = 118,305.80 : x
  2. Step 2: Convert to fraction form
    134,894.60/201,881.10 = 118,305.80/x
  3. Step 3: Cross multiply
    134,894.60x = 201,881.10 × 118,305.80
  4. Step 4: Simplify right side
    134,894.60x = 23,883,705,040.38
  5. Step 5: Solve for x
    x = 23,883,705,040.38/134,894.60
  6. Step 6: Final answer
    x = 177,054.57

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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.