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Finding the Fourth Proportional to 117,779.96, 162,476.12 and 69,347.63

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Solution

The fourth proportional to 117,779.96, 162,476.12 and 69,347.63 is: 95,664.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,779.96 : 162,476.12 = 69,347.63 : x
  2. Step 2: Convert to fraction form
    117,779.96/162,476.12 = 69,347.63/x
  3. Step 3: Cross multiply
    117,779.96x = 162,476.12 × 69,347.63
  4. Step 4: Simplify right side
    117,779.96x = 11,267,332,694.48
  5. Step 5: Solve for x
    x = 11,267,332,694.48/117,779.96
  6. Step 6: Final answer
    x = 95,664.26

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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.