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Finding the Fourth Proportional to 169,699.95, 254,549.72 and 43,340.30

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Solution

The fourth proportional to 169,699.95, 254,549.72 and 43,340.30 is: 65,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,699.95 : 254,549.72 = 43,340.30 : x
  2. Step 2: Convert to fraction form
    169,699.95/254,549.72 = 43,340.30/x
  3. Step 3: Cross multiply
    169,699.95x = 254,549.72 × 43,340.30
  4. Step 4: Simplify right side
    169,699.95x = 11,032,261,229.72
  5. Step 5: Solve for x
    x = 11,032,261,229.72/169,699.95
  6. Step 6: Final answer
    x = 65,010.40

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1.5x scale

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.