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Finding the Fourth Proportional to 174,491.60, 261,737.40 and 156,776.90

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Solution

The fourth proportional to 174,491.60, 261,737.40 and 156,776.90 is: 235,165.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,491.60 : 261,737.40 = 156,776.90 : x
  2. Step 2: Convert to fraction form
    174,491.60/261,737.40 = 156,776.90/x
  3. Step 3: Cross multiply
    174,491.60x = 261,737.40 × 156,776.90
  4. Step 4: Simplify right side
    174,491.60x = 41,034,378,186.06
  5. Step 5: Solve for x
    x = 41,034,378,186.06/174,491.60
  6. Step 6: Final answer
    x = 235,165.35

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1.5x scale

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.