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Finding the Fourth Proportional to 118,730.26, 163,848.03 and 64,283.02

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Solution

The fourth proportional to 118,730.26, 163,848.03 and 64,283.02 is: 88,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,730.26 : 163,848.03 = 64,283.02 : x
  2. Step 2: Convert to fraction form
    118,730.26/163,848.03 = 64,283.02/x
  3. Step 3: Cross multiply
    118,730.26x = 163,848.03 × 64,283.02
  4. Step 4: Simplify right side
    118,730.26x = 10,532,646,189.45
  5. Step 5: Solve for x
    x = 10,532,646,189.45/118,730.26
  6. Step 6: Final answer
    x = 88,710.71

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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.