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Finding the Fourth Proportional to 173,858.60, 239,908.74 and 98,407.10

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Solution

The fourth proportional to 173,858.60, 239,908.74 and 98,407.10 is: 135,792.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,858.60 : 239,908.74 = 98,407.10 : x
  2. Step 2: Convert to fraction form
    173,858.60/239,908.74 = 98,407.10/x
  3. Step 3: Cross multiply
    173,858.60x = 239,908.74 × 98,407.10
  4. Step 4: Simplify right side
    173,858.60x = 23,608,723,598.80
  5. Step 5: Solve for x
    x = 23,608,723,598.80/173,858.60
  6. Step 6: Final answer
    x = 135,792.67

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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.