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Finding the Fourth Proportional to 111,898.16, 154,384.68 and 63,492.08

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Solution

The fourth proportional to 111,898.16, 154,384.68 and 63,492.08 is: 87,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,898.16 : 154,384.68 = 63,492.08 : x
  2. Step 2: Convert to fraction form
    111,898.16/154,384.68 = 63,492.08/x
  3. Step 3: Cross multiply
    111,898.16x = 154,384.68 × 63,492.08
  4. Step 4: Simplify right side
    111,898.16x = 9,802,204,453.33
  5. Step 5: Solve for x
    x = 9,802,204,453.33/111,898.16
  6. Step 6: Final answer
    x = 87,599.34

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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.