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Finding the Fourth Proportional to 170,853.47, 256,085.70 and 75,941.08

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Solution

The fourth proportional to 170,853.47, 256,085.70 and 75,941.08 is: 113,825.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,853.47 : 256,085.70 = 75,941.08 : x
  2. Step 2: Convert to fraction form
    170,853.47/256,085.70 = 75,941.08/x
  3. Step 3: Cross multiply
    170,853.47x = 256,085.70 × 75,941.08
  4. Step 4: Simplify right side
    170,853.47x = 19,447,424,132.73
  5. Step 5: Solve for x
    x = 19,447,424,132.73/170,853.47
  6. Step 6: Final answer
    x = 113,825.16

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1.5x scale

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.