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Finding the Fourth Proportional to 219,087.60, 328,627.98 and 112,410

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Solution

The fourth proportional to 219,087.60, 328,627.98 and 112,410 is: 168,613.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,087.60 : 328,627.98 = 112,410 : x
  2. Step 2: Convert to fraction form
    219,087.60/328,627.98 = 112,410/x
  3. Step 3: Cross multiply
    219,087.60x = 328,627.98 × 112,410
  4. Step 4: Simplify right side
    219,087.60x = 36,941,071,231.80
  5. Step 5: Solve for x
    x = 36,941,071,231.80/219,087.60
  6. Step 6: Final answer
    x = 168,613.25

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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.