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Finding the Fourth Proportional to 112,883.01, 169,324.17 and 28,643.01

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Solution

The fourth proportional to 112,883.01, 169,324.17 and 28,643.01 is: 42,964.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,883.01 : 169,324.17 = 28,643.01 : x
  2. Step 2: Convert to fraction form
    112,883.01/169,324.17 = 28,643.01/x
  3. Step 3: Cross multiply
    112,883.01x = 169,324.17 × 28,643.01
  4. Step 4: Simplify right side
    112,883.01x = 4,849,953,152.17
  5. Step 5: Solve for x
    x = 4,849,953,152.17/112,883.01
  6. Step 6: Final answer
    x = 42,964.42

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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.