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Finding the Fourth Proportional to 171,726.64, 256,339.13 and 159,063.32

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Solution

The fourth proportional to 171,726.64, 256,339.13 and 159,063.32 is: 237,436.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,726.64 : 256,339.13 = 159,063.32 : x
  2. Step 2: Convert to fraction form
    171,726.64/256,339.13 = 159,063.32/x
  3. Step 3: Cross multiply
    171,726.64x = 256,339.13 × 159,063.32
  4. Step 4: Simplify right side
    171,726.64x = 40,774,152,909.24
  5. Step 5: Solve for x
    x = 40,774,152,909.24/171,726.64
  6. Step 6: Final answer
    x = 237,436.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.