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Finding the Fourth Proportional to 92,000.75, 137,966.10 and 60,402.36

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Solution

The fourth proportional to 92,000.75, 137,966.10 and 60,402.36 is: 90,580.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,000.75 : 137,966.10 = 60,402.36 : x
  2. Step 2: Convert to fraction form
    92,000.75/137,966.10 = 60,402.36/x
  3. Step 3: Cross multiply
    92,000.75x = 137,966.10 × 60,402.36
  4. Step 4: Simplify right side
    92,000.75x = 8,333,477,544.07
  5. Step 5: Solve for x
    x = 8,333,477,544.07/92,000.75
  6. Step 6: Final answer
    x = 90,580.54

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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.