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Finding the Fourth Proportional to 257,722.25, 355,812.23 and 168,453.77

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Solution

The fourth proportional to 257,722.25, 355,812.23 and 168,453.77 is: 232,567.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,722.25 : 355,812.23 = 168,453.77 : x
  2. Step 2: Convert to fraction form
    257,722.25/355,812.23 = 168,453.77/x
  3. Step 3: Cross multiply
    257,722.25x = 355,812.23 × 168,453.77
  4. Step 4: Simplify right side
    257,722.25x = 59,937,911,555.61
  5. Step 5: Solve for x
    x = 59,937,911,555.61/257,722.25
  6. Step 6: Final answer
    x = 232,567.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.