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Finding the Fourth Proportional to 119,328.48, 164,673.91 and 65,616.98

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Solution

The fourth proportional to 119,328.48, 164,673.91 and 65,616.98 is: 90,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,328.48 : 164,673.91 = 65,616.98 : x
  2. Step 2: Convert to fraction form
    119,328.48/164,673.91 = 65,616.98/x
  3. Step 3: Cross multiply
    119,328.48x = 164,673.91 × 65,616.98
  4. Step 4: Simplify right side
    119,328.48x = 10,805,403,835.62
  5. Step 5: Solve for x
    x = 10,805,403,835.62/119,328.48
  6. Step 6: Final answer
    x = 90,551.76

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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.