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Finding the Fourth Proportional to 118,351.60, 163,303.56 and 67,361.32

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Solution

The fourth proportional to 118,351.60, 163,303.56 and 67,361.32 is: 92,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,351.60 : 163,303.56 = 67,361.32 : x
  2. Step 2: Convert to fraction form
    118,351.60/163,303.56 = 67,361.32/x
  3. Step 3: Cross multiply
    118,351.60x = 163,303.56 × 67,361.32
  4. Step 4: Simplify right side
    118,351.60x = 11,000,343,362.30
  5. Step 5: Solve for x
    x = 11,000,343,362.30/118,351.60
  6. Step 6: Final answer
    x = 92,946.30

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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.