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Finding the Fourth Proportional to 119,351.51, 164,702.93 and 65,636.67

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Solution

The fourth proportional to 119,351.51, 164,702.93 and 65,636.67 is: 90,577.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,351.51 : 164,702.93 = 65,636.67 : x
  2. Step 2: Convert to fraction form
    119,351.51/164,702.93 = 65,636.67/x
  3. Step 3: Cross multiply
    119,351.51x = 164,702.93 × 65,636.67
  4. Step 4: Simplify right side
    119,351.51x = 10,810,551,536.26
  5. Step 5: Solve for x
    x = 10,810,551,536.26/119,351.51
  6. Step 6: Final answer
    x = 90,577.42

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1.5x scale

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.