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Finding the Fourth Proportional to 259,930.63, 358,554.63 and 156,492.92

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Solution

The fourth proportional to 259,930.63, 358,554.63 and 156,492.92 is: 215,870.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,930.63 : 358,554.63 = 156,492.92 : x
  2. Step 2: Convert to fraction form
    259,930.63/358,554.63 = 156,492.92/x
  3. Step 3: Cross multiply
    259,930.63x = 358,554.63 × 156,492.92
  4. Step 4: Simplify right side
    259,930.63x = 56,111,262,511.45
  5. Step 5: Solve for x
    x = 56,111,262,511.45/259,930.63
  6. Step 6: Final answer
    x = 215,870.14

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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.