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Finding the Fourth Proportional to 162,205.61, 243,308.41 and 62,412.80

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Solution

The fourth proportional to 162,205.61, 243,308.41 and 62,412.80 is: 93,619.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,205.61 : 243,308.41 = 62,412.80 : x
  2. Step 2: Convert to fraction form
    162,205.61/243,308.41 = 62,412.80/x
  3. Step 3: Cross multiply
    162,205.61x = 243,308.41 × 62,412.80
  4. Step 4: Simplify right side
    162,205.61x = 15,185,557,759.07
  5. Step 5: Solve for x
    x = 15,185,557,759.07/162,205.61
  6. Step 6: Final answer
    x = 93,619.19

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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.