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Finding the Fourth Proportional to 119,326.88, 164,666.87 and 65,611.52

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Solution

The fourth proportional to 119,326.88, 164,666.87 and 65,611.52 is: 90,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,326.88 : 164,666.87 = 65,611.52 : x
  2. Step 2: Convert to fraction form
    119,326.88/164,666.87 = 65,611.52/x
  3. Step 3: Cross multiply
    119,326.88x = 164,666.87 × 65,611.52
  4. Step 4: Simplify right side
    119,326.88x = 10,804,043,634.34
  5. Step 5: Solve for x
    x = 10,804,043,634.34/119,326.88
  6. Step 6: Final answer
    x = 90,541.57

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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.