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Finding the Fourth Proportional to 160,510.41, 240,747.39 and 42,190.98

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Solution

The fourth proportional to 160,510.41, 240,747.39 and 42,190.98 is: 63,281.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,510.41 : 240,747.39 = 42,190.98 : x
  2. Step 2: Convert to fraction form
    160,510.41/240,747.39 = 42,190.98/x
  3. Step 3: Cross multiply
    160,510.41x = 240,747.39 × 42,190.98
  4. Step 4: Simplify right side
    160,510.41x = 10,157,367,413.74
  5. Step 5: Solve for x
    x = 10,157,367,413.74/160,510.41
  6. Step 6: Final answer
    x = 63,281.67

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1.5x scale

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.