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Finding the Fourth Proportional to 117,225.65, 175,837.08 and 28,479.24

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Solution

The fourth proportional to 117,225.65, 175,837.08 and 28,479.24 is: 42,718.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,225.65 : 175,837.08 = 28,479.24 : x
  2. Step 2: Convert to fraction form
    117,225.65/175,837.08 = 28,479.24/x
  3. Step 3: Cross multiply
    117,225.65x = 175,837.08 × 28,479.24
  4. Step 4: Simplify right side
    117,225.65x = 5,007,706,402.22
  5. Step 5: Solve for x
    x = 5,007,706,402.22/117,225.65
  6. Step 6: Final answer
    x = 42,718.52

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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.