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Finding the Fourth Proportional to 118,551.36, 163,598.76 and 64,835.94

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Solution

The fourth proportional to 118,551.36, 163,598.76 and 64,835.94 is: 89,472.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,551.36 : 163,598.76 = 64,835.94 : x
  2. Step 2: Convert to fraction form
    118,551.36/163,598.76 = 64,835.94/x
  3. Step 3: Cross multiply
    118,551.36x = 163,598.76 × 64,835.94
  4. Step 4: Simplify right side
    118,551.36x = 10,607,079,387.43
  5. Step 5: Solve for x
    x = 10,607,079,387.43/118,551.36
  6. Step 6: Final answer
    x = 89,472.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.