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Finding the Fourth Proportional to 103,602.48, 155,421.39 and 32,511.48

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Solution

The fourth proportional to 103,602.48, 155,421.39 and 32,511.48 is: 48,772.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,602.48 : 155,421.39 = 32,511.48 : x
  2. Step 2: Convert to fraction form
    103,602.48/155,421.39 = 32,511.48/x
  3. Step 3: Cross multiply
    103,602.48x = 155,421.39 × 32,511.48
  4. Step 4: Simplify right side
    103,602.48x = 5,052,979,412.56
  5. Step 5: Solve for x
    x = 5,052,979,412.56/103,602.48
  6. Step 6: Final answer
    x = 48,772.77

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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.