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Finding the Fourth Proportional to 92,378.36, 127,483.30 and 56,069.30

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Solution

The fourth proportional to 92,378.36, 127,483.30 and 56,069.30 is: 77,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,378.36 : 127,483.30 = 56,069.30 : x
  2. Step 2: Convert to fraction form
    92,378.36/127,483.30 = 56,069.30/x
  3. Step 3: Cross multiply
    92,378.36x = 127,483.30 × 56,069.30
  4. Step 4: Simplify right side
    92,378.36x = 7,147,898,755.27
  5. Step 5: Solve for x
    x = 7,147,898,755.27/92,378.36
  6. Step 6: Final answer
    x = 77,376.34

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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.