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Finding the Fourth Proportional to 174,179.78, 240,390.34 and 102,566.48

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Solution

The fourth proportional to 174,179.78, 240,390.34 and 102,566.48 is: 141,554.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,179.78 : 240,390.34 = 102,566.48 : x
  2. Step 2: Convert to fraction form
    174,179.78/240,390.34 = 102,566.48/x
  3. Step 3: Cross multiply
    174,179.78x = 240,390.34 × 102,566.48
  4. Step 4: Simplify right side
    174,179.78x = 24,655,990,999.80
  5. Step 5: Solve for x
    x = 24,655,990,999.80/174,179.78
  6. Step 6: Final answer
    x = 141,554.84

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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.