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Finding the Fourth Proportional to 119,231.58, 164,536.28 and 65,516.58

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Solution

The fourth proportional to 119,231.58, 164,536.28 and 65,516.58 is: 90,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,231.58 : 164,536.28 = 65,516.58 : x
  2. Step 2: Convert to fraction form
    119,231.58/164,536.28 = 65,516.58/x
  3. Step 3: Cross multiply
    119,231.58x = 164,536.28 × 65,516.58
  4. Step 4: Simplify right side
    119,231.58x = 10,779,854,351.52
  5. Step 5: Solve for x
    x = 10,779,854,351.52/119,231.58
  6. Step 6: Final answer
    x = 90,411.07

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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.