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Finding the Fourth Proportional to 125,607.80, 188,390.64 and 41,368.88

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Solution

The fourth proportional to 125,607.80, 188,390.64 and 41,368.88 is: 62,046.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,607.80 : 188,390.64 = 41,368.88 : x
  2. Step 2: Convert to fraction form
    125,607.80/188,390.64 = 41,368.88/x
  3. Step 3: Cross multiply
    125,607.80x = 188,390.64 × 41,368.88
  4. Step 4: Simplify right side
    125,607.80x = 7,793,509,779.28
  5. Step 5: Solve for x
    x = 7,793,509,779.28/125,607.80
  6. Step 6: Final answer
    x = 62,046.38

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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.