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Finding the Fourth Proportional to 147,368.14, 220,894.83 and 84,051.92

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Solution

The fourth proportional to 147,368.14, 220,894.83 and 84,051.92 is: 125,988.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,368.14 : 220,894.83 = 84,051.92 : x
  2. Step 2: Convert to fraction form
    147,368.14/220,894.83 = 84,051.92/x
  3. Step 3: Cross multiply
    147,368.14x = 220,894.83 × 84,051.92
  4. Step 4: Simplify right side
    147,368.14x = 18,566,635,131.81
  5. Step 5: Solve for x
    x = 18,566,635,131.81/147,368.14
  6. Step 6: Final answer
    x = 125,988.12

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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.