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Finding the Fourth Proportional to 169,314.93, 253,908 and 55,436.22

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Solution

The fourth proportional to 169,314.93, 253,908 and 55,436.22 is: 83,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,314.93 : 253,908 = 55,436.22 : x
  2. Step 2: Convert to fraction form
    169,314.93/253,908 = 55,436.22/x
  3. Step 3: Cross multiply
    169,314.93x = 253,908 × 55,436.22
  4. Step 4: Simplify right side
    169,314.93x = 14,075,699,747.76
  5. Step 5: Solve for x
    x = 14,075,699,747.76/169,314.93
  6. Step 6: Final answer
    x = 83,133.25

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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.