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Finding the Fourth Proportional to 88,038.34, 131,938.08 and 40,549.01

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Solution

The fourth proportional to 88,038.34, 131,938.08 and 40,549.01 is: 60,768.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,038.34 : 131,938.08 = 40,549.01 : x
  2. Step 2: Convert to fraction form
    88,038.34/131,938.08 = 40,549.01/x
  3. Step 3: Cross multiply
    88,038.34x = 131,938.08 × 40,549.01
  4. Step 4: Simplify right side
    88,038.34x = 5,349,958,525.30
  5. Step 5: Solve for x
    x = 5,349,958,525.30/88,038.34
  6. Step 6: Final answer
    x = 60,768.51

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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.