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Finding the Fourth Proportional to 77,087.59, 115,629.58 and 35,534.59

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Solution

The fourth proportional to 77,087.59, 115,629.58 and 35,534.59 is: 53,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,087.59 : 115,629.58 = 35,534.59 : x
  2. Step 2: Convert to fraction form
    77,087.59/115,629.58 = 35,534.59/x
  3. Step 3: Cross multiply
    77,087.59x = 115,629.58 × 35,534.59
  4. Step 4: Simplify right side
    77,087.59x = 4,108,849,050.19
  5. Step 5: Solve for x
    x = 4,108,849,050.19/77,087.59
  6. Step 6: Final answer
    x = 53,301.05

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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.