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Finding the Fourth Proportional to 282,953.90, 424,544.27 and 103,051.87

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Solution

The fourth proportional to 282,953.90, 424,544.27 and 103,051.87 is: 154,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,953.90 : 424,544.27 = 103,051.87 : x
  2. Step 2: Convert to fraction form
    282,953.90/424,544.27 = 103,051.87/x
  3. Step 3: Cross multiply
    282,953.90x = 424,544.27 × 103,051.87
  4. Step 4: Simplify right side
    282,953.90x = 43,750,079,344.66
  5. Step 5: Solve for x
    x = 43,750,079,344.66/282,953.90
  6. Step 6: Final answer
    x = 154,619.11

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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.