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Finding the Fourth Proportional to 66,054, 91,159.32 and 37,758.96

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Solution

The fourth proportional to 66,054, 91,159.32 and 37,758.96 is: 52,110.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,054 : 91,159.32 = 37,758.96 : x
  2. Step 2: Convert to fraction form
    66,054/91,159.32 = 37,758.96/x
  3. Step 3: Cross multiply
    66,054x = 91,159.32 × 37,758.96
  4. Step 4: Simplify right side
    66,054x = 3,442,081,117.51
  5. Step 5: Solve for x
    x = 3,442,081,117.51/66,054
  6. Step 6: Final answer
    x = 52,110.11

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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.