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Finding the Fourth Proportional to 119,484.35, 164,887.16 and 65,768.22

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Solution

The fourth proportional to 119,484.35, 164,887.16 and 65,768.22 is: 90,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,484.35 : 164,887.16 = 65,768.22 : x
  2. Step 2: Convert to fraction form
    119,484.35/164,887.16 = 65,768.22/x
  3. Step 3: Cross multiply
    119,484.35x = 164,887.16 × 65,768.22
  4. Step 4: Simplify right side
    119,484.35x = 10,844,334,082.08
  5. Step 5: Solve for x
    x = 10,844,334,082.08/119,484.35
  6. Step 6: Final answer
    x = 90,759.45

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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.