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Finding the Fourth Proportional to 171,970.02, 256,211.69 and 163,500.39

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Solution

The fourth proportional to 171,970.02, 256,211.69 and 163,500.39 is: 243,593.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,970.02 : 256,211.69 = 163,500.39 : x
  2. Step 2: Convert to fraction form
    171,970.02/256,211.69 = 163,500.39/x
  3. Step 3: Cross multiply
    171,970.02x = 256,211.69 × 163,500.39
  4. Step 4: Simplify right side
    171,970.02x = 41,890,710,420.06
  5. Step 5: Solve for x
    x = 41,890,710,420.06/171,970.02
  6. Step 6: Final answer
    x = 243,593.10

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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.