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Finding the Fourth Proportional to 119,034.70, 164,267.53 and 64,586.63

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Solution

The fourth proportional to 119,034.70, 164,267.53 and 64,586.63 is: 89,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,034.70 : 164,267.53 = 64,586.63 : x
  2. Step 2: Convert to fraction form
    119,034.70/164,267.53 = 64,586.63/x
  3. Step 3: Cross multiply
    119,034.70x = 164,267.53 × 64,586.63
  4. Step 4: Simplify right side
    119,034.70x = 10,609,486,430.33
  5. Step 5: Solve for x
    x = 10,609,486,430.33/119,034.70
  6. Step 6: Final answer
    x = 89,129.36

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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.