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Finding the Fourth Proportional to 173,313.60, 259,970.40 and 141,820.80

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Solution

The fourth proportional to 173,313.60, 259,970.40 and 141,820.80 is: 212,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,313.60 : 259,970.40 = 141,820.80 : x
  2. Step 2: Convert to fraction form
    173,313.60/259,970.40 = 141,820.80/x
  3. Step 3: Cross multiply
    173,313.60x = 259,970.40 × 141,820.80
  4. Step 4: Simplify right side
    173,313.60x = 36,869,210,104.32
  5. Step 5: Solve for x
    x = 36,869,210,104.32/173,313.60
  6. Step 6: Final answer
    x = 212,731.20

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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.