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Finding the Fourth Proportional to 118,008.96, 177,039.36 and 65,495.04

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Solution

The fourth proportional to 118,008.96, 177,039.36 and 65,495.04 is: 98,256.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,008.96 : 177,039.36 = 65,495.04 : x
  2. Step 2: Convert to fraction form
    118,008.96/177,039.36 = 65,495.04/x
  3. Step 3: Cross multiply
    118,008.96x = 177,039.36 × 65,495.04
  4. Step 4: Simplify right side
    118,008.96x = 11,595,199,964.77
  5. Step 5: Solve for x
    x = 11,595,199,964.77/118,008.96
  6. Step 6: Final answer
    x = 98,256.95

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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.