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Finding the Fourth Proportional to 173,461.60, 239,363.71 and 105,469.14

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Solution

The fourth proportional to 173,461.60, 239,363.71 and 105,469.14 is: 145,539.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,461.60 : 239,363.71 = 105,469.14 : x
  2. Step 2: Convert to fraction form
    173,461.60/239,363.71 = 105,469.14/x
  3. Step 3: Cross multiply
    173,461.60x = 239,363.71 × 105,469.14
  4. Step 4: Simplify right side
    173,461.60x = 25,245,483,928.43
  5. Step 5: Solve for x
    x = 25,245,483,928.43/173,461.60
  6. Step 6: Final answer
    x = 145,539.32

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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.