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Finding the Fourth Proportional to 92,874.88, 139,312.32 and 37,432

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Solution

The fourth proportional to 92,874.88, 139,312.32 and 37,432 is: 56,148.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,874.88 : 139,312.32 = 37,432 : x
  2. Step 2: Convert to fraction form
    92,874.88/139,312.32 = 37,432/x
  3. Step 3: Cross multiply
    92,874.88x = 139,312.32 × 37,432
  4. Step 4: Simplify right side
    92,874.88x = 5,214,738,762.24
  5. Step 5: Solve for x
    x = 5,214,738,762.24/92,874.88
  6. Step 6: Final answer
    x = 56,148.00

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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.