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Finding the Fourth Proportional to 176,165.85, 243,106.28 and 103,576.93

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Solution

The fourth proportional to 176,165.85, 243,106.28 and 103,576.93 is: 142,934.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,165.85 : 243,106.28 = 103,576.93 : x
  2. Step 2: Convert to fraction form
    176,165.85/243,106.28 = 103,576.93/x
  3. Step 3: Cross multiply
    176,165.85x = 243,106.28 × 103,576.93
  4. Step 4: Simplify right side
    176,165.85x = 25,180,201,408.88
  5. Step 5: Solve for x
    x = 25,180,201,408.88/176,165.85
  6. Step 6: Final answer
    x = 142,934.63

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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.