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Finding the Fourth Proportional to 119,707.95, 179,547.31 and 30,954.03

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Solution

The fourth proportional to 119,707.95, 179,547.31 and 30,954.03 is: 46,427.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,707.95 : 179,547.31 = 30,954.03 : x
  2. Step 2: Convert to fraction form
    119,707.95/179,547.31 = 30,954.03/x
  3. Step 3: Cross multiply
    119,707.95x = 179,547.31 × 30,954.03
  4. Step 4: Simplify right side
    119,707.95x = 5,557,712,820.16
  5. Step 5: Solve for x
    x = 5,557,712,820.16/119,707.95
  6. Step 6: Final answer
    x = 46,427.27

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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.