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Finding the Fourth Proportional to 166,413.60, 249,620.40 and 148,698.90

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Solution

The fourth proportional to 166,413.60, 249,620.40 and 148,698.90 is: 223,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,413.60 : 249,620.40 = 148,698.90 : x
  2. Step 2: Convert to fraction form
    166,413.60/249,620.40 = 148,698.90/x
  3. Step 3: Cross multiply
    166,413.60x = 249,620.40 × 148,698.90
  4. Step 4: Simplify right side
    166,413.60x = 37,118,278,897.56
  5. Step 5: Solve for x
    x = 37,118,278,897.56/166,413.60
  6. Step 6: Final answer
    x = 223,048.35

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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.