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Finding the Fourth Proportional to 171,323.21, 256,904.84 and 64,624.95

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Solution

The fourth proportional to 171,323.21, 256,904.84 and 64,624.95 is: 96,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,323.21 : 256,904.84 = 64,624.95 : x
  2. Step 2: Convert to fraction form
    171,323.21/256,904.84 = 64,624.95/x
  3. Step 3: Cross multiply
    171,323.21x = 256,904.84 × 64,624.95
  4. Step 4: Simplify right side
    171,323.21x = 16,602,462,116.63
  5. Step 5: Solve for x
    x = 16,602,462,116.63/171,323.21
  6. Step 6: Final answer
    x = 96,907.26

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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.