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Finding the Fourth Proportional to 156,998.84, 216,582.26 and 93,291.53

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Solution

The fourth proportional to 156,998.84, 216,582.26 and 93,291.53 is: 128,697.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,998.84 : 216,582.26 = 93,291.53 : x
  2. Step 2: Convert to fraction form
    156,998.84/216,582.26 = 93,291.53/x
  3. Step 3: Cross multiply
    156,998.84x = 216,582.26 × 93,291.53
  4. Step 4: Simplify right side
    156,998.84x = 20,205,288,856.89
  5. Step 5: Solve for x
    x = 20,205,288,856.89/156,998.84
  6. Step 6: Final answer
    x = 128,697.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.