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Finding the Fourth Proportional to 141,357.96, 212,063.21 and 46,594.80

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Solution

The fourth proportional to 141,357.96, 212,063.21 and 46,594.80 is: 69,900.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,357.96 : 212,063.21 = 46,594.80 : x
  2. Step 2: Convert to fraction form
    141,357.96/212,063.21 = 46,594.80/x
  3. Step 3: Cross multiply
    141,357.96x = 212,063.21 × 46,594.80
  4. Step 4: Simplify right side
    141,357.96x = 9,881,042,973.80
  5. Step 5: Solve for x
    x = 9,881,042,973.80/141,357.96
  6. Step 6: Final answer
    x = 69,900.86

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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.