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Finding the Fourth Proportional to 169,485.34, 254,242.79 and 55,599

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Solution

The fourth proportional to 169,485.34, 254,242.79 and 55,599 is: 83,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,485.34 : 254,242.79 = 55,599 : x
  2. Step 2: Convert to fraction form
    169,485.34/254,242.79 = 55,599/x
  3. Step 3: Cross multiply
    169,485.34x = 254,242.79 × 55,599
  4. Step 4: Simplify right side
    169,485.34x = 14,135,644,603.22
  5. Step 5: Solve for x
    x = 14,135,644,603.22/169,485.34
  6. Step 6: Final answer
    x = 83,403.35

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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.