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Finding the Fourth Proportional to 92,286.60, 127,360.80 and 56,466.60

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Solution

The fourth proportional to 92,286.60, 127,360.80 and 56,466.60 is: 77,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,286.60 : 127,360.80 = 56,466.60 : x
  2. Step 2: Convert to fraction form
    92,286.60/127,360.80 = 56,466.60/x
  3. Step 3: Cross multiply
    92,286.60x = 127,360.80 × 56,466.60
  4. Step 4: Simplify right side
    92,286.60x = 7,191,631,349.28
  5. Step 5: Solve for x
    x = 7,191,631,349.28/92,286.60
  6. Step 6: Final answer
    x = 77,927.15

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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.