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Finding the Fourth Proportional to 170,989.55, 256,483.90 and 160,585.17

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Solution

The fourth proportional to 170,989.55, 256,483.90 and 160,585.17 is: 240,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,989.55 : 256,483.90 = 160,585.17 : x
  2. Step 2: Convert to fraction form
    170,989.55/256,483.90 = 160,585.17/x
  3. Step 3: Cross multiply
    170,989.55x = 256,483.90 × 160,585.17
  4. Step 4: Simplify right side
    170,989.55x = 41,187,509,922.68
  5. Step 5: Solve for x
    x = 41,187,509,922.68/170,989.55
  6. Step 6: Final answer
    x = 240,877.35

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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.