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Finding the Fourth Proportional to 104,547.52, 156,821.28 and 25,661.08

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Solution

The fourth proportional to 104,547.52, 156,821.28 and 25,661.08 is: 38,491.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,547.52 : 156,821.28 = 25,661.08 : x
  2. Step 2: Convert to fraction form
    104,547.52/156,821.28 = 25,661.08/x
  3. Step 3: Cross multiply
    104,547.52x = 156,821.28 × 25,661.08
  4. Step 4: Simplify right side
    104,547.52x = 4,024,203,411.78
  5. Step 5: Solve for x
    x = 4,024,203,411.78/104,547.52
  6. Step 6: Final answer
    x = 38,491.62

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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.