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Finding the Fourth Proportional to 172,151.76, 256,497.36 and 162,482.88

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Solution

The fourth proportional to 172,151.76, 256,497.36 and 162,482.88 is: 242,091.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,151.76 : 256,497.36 = 162,482.88 : x
  2. Step 2: Convert to fraction form
    172,151.76/256,497.36 = 162,482.88/x
  3. Step 3: Cross multiply
    172,151.76x = 256,497.36 × 162,482.88
  4. Step 4: Simplify right side
    172,151.76x = 41,676,429,765.20
  5. Step 5: Solve for x
    x = 41,676,429,765.20/172,151.76
  6. Step 6: Final answer
    x = 242,091.22

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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.