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Finding the Fourth Proportional to 171,935.32, 257,567.48 and 112,591.07

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Solution

The fourth proportional to 171,935.32, 257,567.48 and 112,591.07 is: 168,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,935.32 : 257,567.48 = 112,591.07 : x
  2. Step 2: Convert to fraction form
    171,935.32/257,567.48 = 112,591.07/x
  3. Step 3: Cross multiply
    171,935.32x = 257,567.48 × 112,591.07
  4. Step 4: Simplify right side
    171,935.32x = 28,999,798,251.37
  5. Step 5: Solve for x
    x = 28,999,798,251.37/171,935.32
  6. Step 6: Final answer
    x = 168,666.91

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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.