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Finding the Fourth Proportional to 125,361.86, 188,070.47 and 46,476.09

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Solution

The fourth proportional to 125,361.86, 188,070.47 and 46,476.09 is: 69,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,361.86 : 188,070.47 = 46,476.09 : x
  2. Step 2: Convert to fraction form
    125,361.86/188,070.47 = 46,476.09/x
  3. Step 3: Cross multiply
    125,361.86x = 188,070.47 × 46,476.09
  4. Step 4: Simplify right side
    125,361.86x = 8,740,779,149.71
  5. Step 5: Solve for x
    x = 8,740,779,149.71/125,361.86
  6. Step 6: Final answer
    x = 69,724.39

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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.