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Finding the Fourth Proportional to 115,605.48, 173,303.13 and 44,482.76

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Solution

The fourth proportional to 115,605.48, 173,303.13 and 44,482.76 is: 66,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,605.48 : 173,303.13 = 44,482.76 : x
  2. Step 2: Convert to fraction form
    115,605.48/173,303.13 = 44,482.76/x
  3. Step 3: Cross multiply
    115,605.48x = 173,303.13 × 44,482.76
  4. Step 4: Simplify right side
    115,605.48x = 7,709,000,672.52
  5. Step 5: Solve for x
    x = 7,709,000,672.52/115,605.48
  6. Step 6: Final answer
    x = 66,683.70

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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.