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Finding the Fourth Proportional to 127,863.01, 176,526.66 and 113,676.67

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Solution

The fourth proportional to 127,863.01, 176,526.66 and 113,676.67 is: 156,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,863.01 : 176,526.66 = 113,676.67 : x
  2. Step 2: Convert to fraction form
    127,863.01/176,526.66 = 113,676.67/x
  3. Step 3: Cross multiply
    127,863.01x = 176,526.66 × 113,676.67
  4. Step 4: Simplify right side
    127,863.01x = 20,066,962,875.02
  5. Step 5: Solve for x
    x = 20,066,962,875.02/127,863.01
  6. Step 6: Final answer
    x = 156,941.11

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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.