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Finding the Fourth Proportional to 152,655.60, 228,983.40 and 52,782.60

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Solution

The fourth proportional to 152,655.60, 228,983.40 and 52,782.60 is: 79,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,655.60 : 228,983.40 = 52,782.60 : x
  2. Step 2: Convert to fraction form
    152,655.60/228,983.40 = 52,782.60/x
  3. Step 3: Cross multiply
    152,655.60x = 228,983.40 × 52,782.60
  4. Step 4: Simplify right side
    152,655.60x = 12,086,339,208.84
  5. Step 5: Solve for x
    x = 12,086,339,208.84/152,655.60
  6. Step 6: Final answer
    x = 79,173.90

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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.