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Finding the Fourth Proportional to 158,492.40, 237,749.40 and 50,413.20

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Solution

The fourth proportional to 158,492.40, 237,749.40 and 50,413.20 is: 75,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,492.40 : 237,749.40 = 50,413.20 : x
  2. Step 2: Convert to fraction form
    158,492.40/237,749.40 = 50,413.20/x
  3. Step 3: Cross multiply
    158,492.40x = 237,749.40 × 50,413.20
  4. Step 4: Simplify right side
    158,492.40x = 11,985,708,052.08
  5. Step 5: Solve for x
    x = 11,985,708,052.08/158,492.40
  6. Step 6: Final answer
    x = 75,623.24

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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.