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Finding the Fourth Proportional to 190,737.80, 286,108.86 and 57,619.16

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Solution

The fourth proportional to 190,737.80, 286,108.86 and 57,619.16 is: 86,429.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,737.80 : 286,108.86 = 57,619.16 : x
  2. Step 2: Convert to fraction form
    190,737.80/286,108.86 = 57,619.16/x
  3. Step 3: Cross multiply
    190,737.80x = 286,108.86 × 57,619.16
  4. Step 4: Simplify right side
    190,737.80x = 16,485,352,181.76
  5. Step 5: Solve for x
    x = 16,485,352,181.76/190,737.80
  6. Step 6: Final answer
    x = 86,429.39

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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.