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Finding the Fourth Proportional to 92,968.18, 139,509.51 and 36,798.73

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Solution

The fourth proportional to 92,968.18, 139,509.51 and 36,798.73 is: 55,220.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,968.18 : 139,509.51 = 36,798.73 : x
  2. Step 2: Convert to fraction form
    92,968.18/139,509.51 = 36,798.73/x
  3. Step 3: Cross multiply
    92,968.18x = 139,509.51 × 36,798.73
  4. Step 4: Simplify right side
    92,968.18x = 5,133,772,790.92
  5. Step 5: Solve for x
    x = 5,133,772,790.92/92,968.18
  6. Step 6: Final answer
    x = 55,220.75

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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.