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Finding the Fourth Proportional to 66,071.87, 99,106.95 and 16,152.41

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Solution

The fourth proportional to 66,071.87, 99,106.95 and 16,152.41 is: 24,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,071.87 : 99,106.95 = 16,152.41 : x
  2. Step 2: Convert to fraction form
    66,071.87/99,106.95 = 16,152.41/x
  3. Step 3: Cross multiply
    66,071.87x = 99,106.95 × 16,152.41
  4. Step 4: Simplify right side
    66,071.87x = 1,600,815,594.71
  5. Step 5: Solve for x
    x = 1,600,815,594.71/66,071.87
  6. Step 6: Final answer
    x = 24,228.40

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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.