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Finding the Fourth Proportional to 115,699.95, 173,710.53 and 59,580.15

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Solution

The fourth proportional to 115,699.95, 173,710.53 and 59,580.15 is: 89,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,699.95 : 173,710.53 = 59,580.15 : x
  2. Step 2: Convert to fraction form
    115,699.95/173,710.53 = 59,580.15/x
  3. Step 3: Cross multiply
    115,699.95x = 173,710.53 × 59,580.15
  4. Step 4: Simplify right side
    115,699.95x = 10,349,699,433.98
  5. Step 5: Solve for x
    x = 10,349,699,433.98/115,699.95
  6. Step 6: Final answer
    x = 89,452.93

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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.