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Finding the Fourth Proportional to 141,696.19, 212,311 and 99,005.95

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Solution

The fourth proportional to 141,696.19, 212,311 and 99,005.95 is: 148,345.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,696.19 : 212,311 = 99,005.95 : x
  2. Step 2: Convert to fraction form
    141,696.19/212,311 = 99,005.95/x
  3. Step 3: Cross multiply
    141,696.19x = 212,311 × 99,005.95
  4. Step 4: Simplify right side
    141,696.19x = 21,020,052,250.45
  5. Step 5: Solve for x
    x = 21,020,052,250.45/141,696.19
  6. Step 6: Final answer
    x = 148,345.92

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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.