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Finding the Fourth Proportional to 172,461.60, 258,987.60 and 93,729.60

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Solution

The fourth proportional to 172,461.60, 258,987.60 and 93,729.60 is: 140,754.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,461.60 : 258,987.60 = 93,729.60 : x
  2. Step 2: Convert to fraction form
    172,461.60/258,987.60 = 93,729.60/x
  3. Step 3: Cross multiply
    172,461.60x = 258,987.60 × 93,729.60
  4. Step 4: Simplify right side
    172,461.60x = 24,274,804,152.96
  5. Step 5: Solve for x
    x = 24,274,804,152.96/172,461.60
  6. Step 6: Final answer
    x = 140,754.84

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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.