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Finding the Fourth Proportional to 248,008.32, 371,981.76 and 79,547.52

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Solution

The fourth proportional to 248,008.32, 371,981.76 and 79,547.52 is: 119,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,008.32 : 371,981.76 = 79,547.52 : x
  2. Step 2: Convert to fraction form
    248,008.32/371,981.76 = 79,547.52/x
  3. Step 3: Cross multiply
    248,008.32x = 371,981.76 × 79,547.52
  4. Step 4: Simplify right side
    248,008.32x = 29,590,226,493.24
  5. Step 5: Solve for x
    x = 29,590,226,493.24/248,008.32
  6. Step 6: Final answer
    x = 119,311.43

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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.