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Finding the Fourth Proportional to 118,473.96, 163,494.39 and 70,726.28

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Solution

The fourth proportional to 118,473.96, 163,494.39 and 70,726.28 is: 97,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,473.96 : 163,494.39 = 70,726.28 : x
  2. Step 2: Convert to fraction form
    118,473.96/163,494.39 = 70,726.28/x
  3. Step 3: Cross multiply
    118,473.96x = 163,494.39 × 70,726.28
  4. Step 4: Simplify right side
    118,473.96x = 11,563,350,005.57
  5. Step 5: Solve for x
    x = 11,563,350,005.57/118,473.96
  6. Step 6: Final answer
    x = 97,602.46

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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.