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Finding the Fourth Proportional to 92,745.66, 127,846.98 and 56,869.14

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Solution

The fourth proportional to 92,745.66, 127,846.98 and 56,869.14 is: 78,392.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,745.66 : 127,846.98 = 56,869.14 : x
  2. Step 2: Convert to fraction form
    92,745.66/127,846.98 = 56,869.14/x
  3. Step 3: Cross multiply
    92,745.66x = 127,846.98 × 56,869.14
  4. Step 4: Simplify right side
    92,745.66x = 7,270,547,804.20
  5. Step 5: Solve for x
    x = 7,270,547,804.20/92,745.66
  6. Step 6: Final answer
    x = 78,392.32

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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.