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Finding the Fourth Proportional to 119,603.41, 165,050.93 and 65,888.46

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Solution

The fourth proportional to 119,603.41, 165,050.93 and 65,888.46 is: 90,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,603.41 : 165,050.93 = 65,888.46 : x
  2. Step 2: Convert to fraction form
    119,603.41/165,050.93 = 65,888.46/x
  3. Step 3: Cross multiply
    119,603.41x = 165,050.93 × 65,888.46
  4. Step 4: Simplify right side
    119,603.41x = 10,874,951,599.27
  5. Step 5: Solve for x
    x = 10,874,951,599.27/119,603.41
  6. Step 6: Final answer
    x = 90,925.10

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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.