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Finding the Fourth Proportional to 123,539.73, 183,720.29 and 119,603.13

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Solution

The fourth proportional to 123,539.73, 183,720.29 and 119,603.13 is: 177,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,539.73 : 183,720.29 = 119,603.13 : x
  2. Step 2: Convert to fraction form
    123,539.73/183,720.29 = 119,603.13/x
  3. Step 3: Cross multiply
    123,539.73x = 183,720.29 × 119,603.13
  4. Step 4: Simplify right side
    123,539.73x = 21,973,521,130.49
  5. Step 5: Solve for x
    x = 21,973,521,130.49/123,539.73
  6. Step 6: Final answer
    x = 177,866.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.