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Finding the Fourth Proportional to 112,897.84, 169,424.52 and 39,025.84

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Solution

The fourth proportional to 112,897.84, 169,424.52 and 39,025.84 is: 58,565.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,897.84 : 169,424.52 = 39,025.84 : x
  2. Step 2: Convert to fraction form
    112,897.84/169,424.52 = 39,025.84/x
  3. Step 3: Cross multiply
    112,897.84x = 169,424.52 × 39,025.84
  4. Step 4: Simplify right side
    112,897.84x = 6,611,934,209.60
  5. Step 5: Solve for x
    x = 6,611,934,209.60/112,897.84
  6. Step 6: Final answer
    x = 58,565.64

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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.