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Finding the Fourth Proportional to 170,903.47, 256,186.72 and 60,017.71

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Solution

The fourth proportional to 170,903.47, 256,186.72 and 60,017.71 is: 89,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,903.47 : 256,186.72 = 60,017.71 : x
  2. Step 2: Convert to fraction form
    170,903.47/256,186.72 = 60,017.71/x
  3. Step 3: Cross multiply
    170,903.47x = 256,186.72 × 60,017.71
  4. Step 4: Simplify right side
    170,903.47x = 15,375,740,266.81
  5. Step 5: Solve for x
    x = 15,375,740,266.81/170,903.47
  6. Step 6: Final answer
    x = 89,967.40

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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.