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Finding the Fourth Proportional to 86,802.71, 119,798.79 and 48,564.41

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Solution

The fourth proportional to 86,802.71, 119,798.79 and 48,564.41 is: 67,025.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,802.71 : 119,798.79 = 48,564.41 : x
  2. Step 2: Convert to fraction form
    86,802.71/119,798.79 = 48,564.41/x
  3. Step 3: Cross multiply
    86,802.71x = 119,798.79 × 48,564.41
  4. Step 4: Simplify right side
    86,802.71x = 5,817,956,956.07
  5. Step 5: Solve for x
    x = 5,817,956,956.07/86,802.71
  6. Step 6: Final answer
    x = 67,025.06

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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.