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Finding the Fourth Proportional to 171,405.16, 256,588.84 and 155,610.16

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Solution

The fourth proportional to 171,405.16, 256,588.84 and 155,610.16 is: 232,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,405.16 : 256,588.84 = 155,610.16 : x
  2. Step 2: Convert to fraction form
    171,405.16/256,588.84 = 155,610.16/x
  3. Step 3: Cross multiply
    171,405.16x = 256,588.84 × 155,610.16
  4. Step 4: Simplify right side
    171,405.16x = 39,927,830,446.61
  5. Step 5: Solve for x
    x = 39,927,830,446.61/171,405.16
  6. Step 6: Final answer
    x = 232,944.16

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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.