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Finding the Fourth Proportional to 170,446.10, 255,669.10 and 65,265.08

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Solution

The fourth proportional to 170,446.10, 255,669.10 and 65,265.08 is: 97,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,446.10 : 255,669.10 = 65,265.08 : x
  2. Step 2: Convert to fraction form
    170,446.10/255,669.10 = 65,265.08/x
  3. Step 3: Cross multiply
    170,446.10x = 255,669.10 × 65,265.08
  4. Step 4: Simplify right side
    170,446.10x = 16,686,262,823.52
  5. Step 5: Solve for x
    x = 16,686,262,823.52/170,446.10
  6. Step 6: Final answer
    x = 97,897.60

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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.