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Finding the Fourth Proportional to 119,064.40, 178,596.61 and 55,928.11

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Solution

The fourth proportional to 119,064.40, 178,596.61 and 55,928.11 is: 83,892.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,064.40 : 178,596.61 = 55,928.11 : x
  2. Step 2: Convert to fraction form
    119,064.40/178,596.61 = 55,928.11/x
  3. Step 3: Cross multiply
    119,064.40x = 178,596.61 × 55,928.11
  4. Step 4: Simplify right side
    119,064.40x = 9,988,570,570.07
  5. Step 5: Solve for x
    x = 9,988,570,570.07/119,064.40
  6. Step 6: Final answer
    x = 83,892.17

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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.