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Finding the Fourth Proportional to 92,007.05, 127,066.12 and 63,401.09

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Solution

The fourth proportional to 92,007.05, 127,066.12 and 63,401.09 is: 87,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,007.05 : 127,066.12 = 63,401.09 : x
  2. Step 2: Convert to fraction form
    92,007.05/127,066.12 = 63,401.09/x
  3. Step 3: Cross multiply
    92,007.05x = 127,066.12 × 63,401.09
  4. Step 4: Simplify right side
    92,007.05x = 8,056,130,669.23
  5. Step 5: Solve for x
    x = 8,056,130,669.23/92,007.05
  6. Step 6: Final answer
    x = 87,559.93

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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.