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Finding the Fourth Proportional to 123,703.01, 170,597.45 and 104,622.79

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Solution

The fourth proportional to 123,703.01, 170,597.45 and 104,622.79 is: 144,284.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,703.01 : 170,597.45 = 104,622.79 : x
  2. Step 2: Convert to fraction form
    123,703.01/170,597.45 = 104,622.79/x
  3. Step 3: Cross multiply
    123,703.01x = 170,597.45 × 104,622.79
  4. Step 4: Simplify right side
    123,703.01x = 17,848,379,809.78
  5. Step 5: Solve for x
    x = 17,848,379,809.78/123,703.01
  6. Step 6: Final answer
    x = 144,284.12

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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.