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Finding the Fourth Proportional to 89,866.46, 124,014.85 and 49,580.55

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Solution

The fourth proportional to 89,866.46, 124,014.85 and 49,580.55 is: 68,420.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,866.46 : 124,014.85 = 49,580.55 : x
  2. Step 2: Convert to fraction form
    89,866.46/124,014.85 = 49,580.55/x
  3. Step 3: Cross multiply
    89,866.46x = 124,014.85 × 49,580.55
  4. Step 4: Simplify right side
    89,866.46x = 6,148,724,347.22
  5. Step 5: Solve for x
    x = 6,148,724,347.22/89,866.46
  6. Step 6: Final answer
    x = 68,420.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.