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Finding the Fourth Proportional to 117,683.40, 162,404.06 and 63,968.40

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Solution

The fourth proportional to 117,683.40, 162,404.06 and 63,968.40 is: 88,276.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,683.40 : 162,404.06 = 63,968.40 : x
  2. Step 2: Convert to fraction form
    117,683.40/162,404.06 = 63,968.40/x
  3. Step 3: Cross multiply
    117,683.40x = 162,404.06 × 63,968.40
  4. Step 4: Simplify right side
    117,683.40x = 10,388,727,871.70
  5. Step 5: Solve for x
    x = 10,388,727,871.70/117,683.40
  6. Step 6: Final answer
    x = 88,276.92

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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.