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Finding the Fourth Proportional to 123,032.90, 172,362.70 and 123,032.90

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Solution

The fourth proportional to 123,032.90, 172,362.70 and 123,032.90 is: 172,362.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,032.90 : 172,362.70 = 123,032.90 : x
  2. Step 2: Convert to fraction form
    123,032.90/172,362.70 = 123,032.90/x
  3. Step 3: Cross multiply
    123,032.90x = 172,362.70 × 123,032.90
  4. Step 4: Simplify right side
    123,032.90x = 21,206,282,832.83
  5. Step 5: Solve for x
    x = 21,206,282,832.83/123,032.90
  6. Step 6: Final answer
    x = 172,362.70

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.