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Finding the Fourth Proportional to 118,099.63, 162,926.05 and 75,056.06

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Solution

The fourth proportional to 118,099.63, 162,926.05 and 75,056.06 is: 103,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,099.63 : 162,926.05 = 75,056.06 : x
  2. Step 2: Convert to fraction form
    118,099.63/162,926.05 = 75,056.06/x
  3. Step 3: Cross multiply
    118,099.63x = 162,926.05 × 75,056.06
  4. Step 4: Simplify right side
    118,099.63x = 12,228,587,384.36
  5. Step 5: Solve for x
    x = 12,228,587,384.36/118,099.63
  6. Step 6: Final answer
    x = 103,544.67

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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.