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Finding the Fourth Proportional to 119,938.63, 165,529.88 and 69,637.63

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Solution

The fourth proportional to 119,938.63, 165,529.88 and 69,637.63 is: 96,108.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,938.63 : 165,529.88 = 69,637.63 : x
  2. Step 2: Convert to fraction form
    119,938.63/165,529.88 = 69,637.63/x
  3. Step 3: Cross multiply
    119,938.63x = 165,529.88 × 69,637.63
  4. Step 4: Simplify right side
    119,938.63x = 11,527,108,537.38
  5. Step 5: Solve for x
    x = 11,527,108,537.38/119,938.63
  6. Step 6: Final answer
    x = 96,108.39

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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.