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Finding the Fourth Proportional to 247,210, 370,595.08 and 89,403.37

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Solution

The fourth proportional to 247,210, 370,595.08 and 89,403.37 is: 134,025.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,210 : 370,595.08 = 89,403.37 : x
  2. Step 2: Convert to fraction form
    247,210/370,595.08 = 89,403.37/x
  3. Step 3: Cross multiply
    247,210x = 370,595.08 × 89,403.37
  4. Step 4: Simplify right side
    247,210x = 33,132,449,057.42
  5. Step 5: Solve for x
    x = 33,132,449,057.42/247,210
  6. Step 6: Final answer
    x = 134,025.52

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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.