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Finding the Fourth Proportional to 174,989.80, 262,614.30 and 128,333.80

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Solution

The fourth proportional to 174,989.80, 262,614.30 and 128,333.80 is: 192,595.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,989.80 : 262,614.30 = 128,333.80 : x
  2. Step 2: Convert to fraction form
    174,989.80/262,614.30 = 128,333.80/x
  3. Step 3: Cross multiply
    174,989.80x = 262,614.30 × 128,333.80
  4. Step 4: Simplify right side
    174,989.80x = 33,702,291,053.34
  5. Step 5: Solve for x
    x = 33,702,291,053.34/174,989.80
  6. Step 6: Final answer
    x = 192,595.75

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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.