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Finding the Fourth Proportional to 519,863.93, 779,870.29 and 160,065.23

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Solution

The fourth proportional to 519,863.93, 779,870.29 and 160,065.23 is: 240,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,863.93 : 779,870.29 = 160,065.23 : x
  2. Step 2: Convert to fraction form
    519,863.93/779,870.29 = 160,065.23/x
  3. Step 3: Cross multiply
    519,863.93x = 779,870.29 × 160,065.23
  4. Step 4: Simplify right side
    519,863.93x = 124,830,117,726.40
  5. Step 5: Solve for x
    x = 124,830,117,726.40/519,863.93
  6. Step 6: Final answer
    x = 240,120.75

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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.