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Finding the Fourth Proportional to 119,320.86, 164,658.36 and 65,602.68

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Solution

The fourth proportional to 119,320.86, 164,658.36 and 65,602.68 is: 90,529.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,320.86 : 164,658.36 = 65,602.68 : x
  2. Step 2: Convert to fraction form
    119,320.86/164,658.36 = 65,602.68/x
  3. Step 3: Cross multiply
    119,320.86x = 164,658.36 × 65,602.68
  4. Step 4: Simplify right side
    119,320.86x = 10,802,029,700.40
  5. Step 5: Solve for x
    x = 10,802,029,700.40/119,320.86
  6. Step 6: Final answer
    x = 90,529.26

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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.