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Finding the Fourth Proportional to 86,341.49, 119,149.45 and 48,100.98

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Solution

The fourth proportional to 86,341.49, 119,149.45 and 48,100.98 is: 66,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,341.49 : 119,149.45 = 48,100.98 : x
  2. Step 2: Convert to fraction form
    86,341.49/119,149.45 = 48,100.98/x
  3. Step 3: Cross multiply
    86,341.49x = 119,149.45 × 48,100.98
  4. Step 4: Simplify right side
    86,341.49x = 5,731,205,311.46
  5. Step 5: Solve for x
    x = 5,731,205,311.46/86,341.49
  6. Step 6: Final answer
    x = 66,378.35

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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.