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Finding the Fourth Proportional to 170,117.04, 255,269.52 and 70,254

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Solution

The fourth proportional to 170,117.04, 255,269.52 and 70,254 is: 105,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,117.04 : 255,269.52 = 70,254 : x
  2. Step 2: Convert to fraction form
    170,117.04/255,269.52 = 70,254/x
  3. Step 3: Cross multiply
    170,117.04x = 255,269.52 × 70,254
  4. Step 4: Simplify right side
    170,117.04x = 17,933,704,858.08
  5. Step 5: Solve for x
    x = 17,933,704,858.08/170,117.04
  6. Step 6: Final answer
    x = 105,419.80

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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.