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Finding the Fourth Proportional to 117,683.61, 162,445.02 and 69,936.39

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Solution

The fourth proportional to 117,683.61, 162,445.02 and 69,936.39 is: 96,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,683.61 : 162,445.02 = 69,936.39 : x
  2. Step 2: Convert to fraction form
    117,683.61/162,445.02 = 69,936.39/x
  3. Step 3: Cross multiply
    117,683.61x = 162,445.02 × 69,936.39
  4. Step 4: Simplify right side
    117,683.61x = 11,360,818,272.28
  5. Step 5: Solve for x
    x = 11,360,818,272.28/117,683.61
  6. Step 6: Final answer
    x = 96,536.96

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1.5x scale

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.