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Finding the Fourth Proportional to 175,716.40, 262,960.20 and 160,970.80

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Solution

The fourth proportional to 175,716.40, 262,960.20 and 160,970.80 is: 240,893.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,716.40 : 262,960.20 = 160,970.80 : x
  2. Step 2: Convert to fraction form
    175,716.40/262,960.20 = 160,970.80/x
  3. Step 3: Cross multiply
    175,716.40x = 262,960.20 × 160,970.80
  4. Step 4: Simplify right side
    175,716.40x = 42,328,913,762.16
  5. Step 5: Solve for x
    x = 42,328,913,762.16/175,716.40
  6. Step 6: Final answer
    x = 240,893.36

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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.