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Finding the Fourth Proportional to 86,449.06, 119,303.04 and 48,722.50

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Solution

The fourth proportional to 86,449.06, 119,303.04 and 48,722.50 is: 67,238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,449.06 : 119,303.04 = 48,722.50 : x
  2. Step 2: Convert to fraction form
    86,449.06/119,303.04 = 48,722.50/x
  3. Step 3: Cross multiply
    86,449.06x = 119,303.04 × 48,722.50
  4. Step 4: Simplify right side
    86,449.06x = 5,812,742,366.40
  5. Step 5: Solve for x
    x = 5,812,742,366.40/86,449.06
  6. Step 6: Final answer
    x = 67,238.93

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