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Finding the Fourth Proportional to 141,040.40, 211,609.20 and 62,211.20

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Solution

The fourth proportional to 141,040.40, 211,609.20 and 62,211.20 is: 93,338.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,040.40 : 211,609.20 = 62,211.20 : x
  2. Step 2: Convert to fraction form
    141,040.40/211,609.20 = 62,211.20/x
  3. Step 3: Cross multiply
    141,040.40x = 211,609.20 × 62,211.20
  4. Step 4: Simplify right side
    141,040.40x = 13,164,462,263.04
  5. Step 5: Solve for x
    x = 13,164,462,263.04/141,040.40
  6. Step 6: Final answer
    x = 93,338.24

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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.