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Finding the Fourth Proportional to 169,045.56, 253,616.40 and 84,704.04

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Solution

The fourth proportional to 169,045.56, 253,616.40 and 84,704.04 is: 127,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,045.56 : 253,616.40 = 84,704.04 : x
  2. Step 2: Convert to fraction form
    169,045.56/253,616.40 = 84,704.04/x
  3. Step 3: Cross multiply
    169,045.56x = 253,616.40 × 84,704.04
  4. Step 4: Simplify right side
    169,045.56x = 21,482,333,690.26
  5. Step 5: Solve for x
    x = 21,482,333,690.26/169,045.56
  6. Step 6: Final answer
    x = 127,080.14

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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.