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Finding the Fourth Proportional to 103,655.08, 155,480.46 and 29,783.08

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Solution

The fourth proportional to 103,655.08, 155,480.46 and 29,783.08 is: 44,674.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,655.08 : 155,480.46 = 29,783.08 : x
  2. Step 2: Convert to fraction form
    103,655.08/155,480.46 = 29,783.08/x
  3. Step 3: Cross multiply
    103,655.08x = 155,480.46 × 29,783.08
  4. Step 4: Simplify right side
    103,655.08x = 4,630,686,978.62
  5. Step 5: Solve for x
    x = 4,630,686,978.62/103,655.08
  6. Step 6: Final answer
    x = 44,674.00

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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.