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Finding the Fourth Proportional to 173,637.40, 259,937.70 and 103,480.60

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Solution

The fourth proportional to 173,637.40, 259,937.70 and 103,480.60 is: 154,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,637.40 : 259,937.70 = 103,480.60 : x
  2. Step 2: Convert to fraction form
    173,637.40/259,937.70 = 103,480.60/x
  3. Step 3: Cross multiply
    173,637.40x = 259,937.70 × 103,480.60
  4. Step 4: Simplify right side
    173,637.40x = 26,898,509,158.62
  5. Step 5: Solve for x
    x = 26,898,509,158.62/173,637.40
  6. Step 6: Final answer
    x = 154,911.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.