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Finding the Fourth Proportional to 173,602.08, 260,316.72 and 80,028

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Solution

The fourth proportional to 173,602.08, 260,316.72 and 80,028 is: 120,002.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,602.08 : 260,316.72 = 80,028 : x
  2. Step 2: Convert to fraction form
    173,602.08/260,316.72 = 80,028/x
  3. Step 3: Cross multiply
    173,602.08x = 260,316.72 × 80,028
  4. Step 4: Simplify right side
    173,602.08x = 20,832,626,468.16
  5. Step 5: Solve for x
    x = 20,832,626,468.16/173,602.08
  6. Step 6: Final answer
    x = 120,002.17

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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.