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Finding the Fourth Proportional to 247,210.50, 370,595.84 and 89,403.87

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Solution

The fourth proportional to 247,210.50, 370,595.84 and 89,403.87 is: 134,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,210.50 : 370,595.84 = 89,403.87 : x
  2. Step 2: Convert to fraction form
    247,210.50/370,595.84 = 89,403.87/x
  3. Step 3: Cross multiply
    247,210.50x = 370,595.84 × 89,403.87
  4. Step 4: Simplify right side
    247,210.50x = 33,132,701,854.88
  5. Step 5: Solve for x
    x = 33,132,701,854.88/247,210.50
  6. Step 6: Final answer
    x = 134,026.27

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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.