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Finding the Fourth Proportional to 85,875.54, 118,662.24 and 67,154.82

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Solution

The fourth proportional to 85,875.54, 118,662.24 and 67,154.82 is: 92,794.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,875.54 : 118,662.24 = 67,154.82 : x
  2. Step 2: Convert to fraction form
    85,875.54/118,662.24 = 67,154.82/x
  3. Step 3: Cross multiply
    85,875.54x = 118,662.24 × 67,154.82
  4. Step 4: Simplify right side
    85,875.54x = 7,968,741,368.00
  5. Step 5: Solve for x
    x = 7,968,741,368.00/85,875.54
  6. Step 6: Final answer
    x = 92,794.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.