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Finding the Fourth Proportional to 192,009.94, 287,989.62 and 57,071.13

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Solution

The fourth proportional to 192,009.94, 287,989.62 and 57,071.13 is: 85,599.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,009.94 : 287,989.62 = 57,071.13 : x
  2. Step 2: Convert to fraction form
    192,009.94/287,989.62 = 57,071.13/x
  3. Step 3: Cross multiply
    192,009.94x = 287,989.62 × 57,071.13
  4. Step 4: Simplify right side
    192,009.94x = 16,435,893,688.66
  5. Step 5: Solve for x
    x = 16,435,893,688.66/192,009.94
  6. Step 6: Final answer
    x = 85,599.18

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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.