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Finding the Fourth Proportional to 92,325.96, 127,381.50 and 56,478.60

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Solution

The fourth proportional to 92,325.96, 127,381.50 and 56,478.60 is: 77,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,325.96 : 127,381.50 = 56,478.60 : x
  2. Step 2: Convert to fraction form
    92,325.96/127,381.50 = 56,478.60/x
  3. Step 3: Cross multiply
    92,325.96x = 127,381.50 × 56,478.60
  4. Step 4: Simplify right side
    92,325.96x = 7,194,328,785.90
  5. Step 5: Solve for x
    x = 7,194,328,785.90/92,325.96
  6. Step 6: Final answer
    x = 77,923.14

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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.