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Finding the Fourth Proportional to 88,762.89, 122,492.16 and 48,476.66

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Solution

The fourth proportional to 88,762.89, 122,492.16 and 48,476.66 is: 66,897.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,762.89 : 122,492.16 = 48,476.66 : x
  2. Step 2: Convert to fraction form
    88,762.89/122,492.16 = 48,476.66/x
  3. Step 3: Cross multiply
    88,762.89x = 122,492.16 × 48,476.66
  4. Step 4: Simplify right side
    88,762.89x = 5,938,010,180.52
  5. Step 5: Solve for x
    x = 5,938,010,180.52/88,762.89
  6. Step 6: Final answer
    x = 66,897.44

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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.