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Finding the Fourth Proportional to 141,376.80, 212,000.40 and 62,450.40

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Solution

The fourth proportional to 141,376.80, 212,000.40 and 62,450.40 is: 93,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,376.80 : 212,000.40 = 62,450.40 : x
  2. Step 2: Convert to fraction form
    141,376.80/212,000.40 = 62,450.40/x
  3. Step 3: Cross multiply
    141,376.80x = 212,000.40 × 62,450.40
  4. Step 4: Simplify right side
    141,376.80x = 13,239,509,780.16
  5. Step 5: Solve for x
    x = 13,239,509,780.16/141,376.80
  6. Step 6: Final answer
    x = 93,646.98

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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.