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Finding the Fourth Proportional to 119,554.76, 165,064.97 and 74,300.27

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Solution

The fourth proportional to 119,554.76, 165,064.97 and 74,300.27 is: 102,583.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,554.76 : 165,064.97 = 74,300.27 : x
  2. Step 2: Convert to fraction form
    119,554.76/165,064.97 = 74,300.27/x
  3. Step 3: Cross multiply
    119,554.76x = 165,064.97 × 74,300.27
  4. Step 4: Simplify right side
    119,554.76x = 12,264,370,641.72
  5. Step 5: Solve for x
    x = 12,264,370,641.72/119,554.76
  6. Step 6: Final answer
    x = 102,583.71

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1.5x scale

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.