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Finding the Fourth Proportional to 113,794.77, 157,089.93 and 66,038.90

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Solution

The fourth proportional to 113,794.77, 157,089.93 and 66,038.90 is: 91,164.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,794.77 : 157,089.93 = 66,038.90 : x
  2. Step 2: Convert to fraction form
    113,794.77/157,089.93 = 66,038.90/x
  3. Step 3: Cross multiply
    113,794.77x = 157,089.93 × 66,038.90
  4. Step 4: Simplify right side
    113,794.77x = 10,374,045,516.65
  5. Step 5: Solve for x
    x = 10,374,045,516.65/113,794.77
  6. Step 6: Final answer
    x = 91,164.52

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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.