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Finding the Fourth Proportional to 152,618.66, 210,611.52 and 84,635.76

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Solution

The fourth proportional to 152,618.66, 210,611.52 and 84,635.76 is: 116,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,618.66 : 210,611.52 = 84,635.76 : x
  2. Step 2: Convert to fraction form
    152,618.66/210,611.52 = 84,635.76/x
  3. Step 3: Cross multiply
    152,618.66x = 210,611.52 × 84,635.76
  4. Step 4: Simplify right side
    152,618.66x = 17,825,266,019.37
  5. Step 5: Solve for x
    x = 17,825,266,019.37/152,618.66
  6. Step 6: Final answer
    x = 116,796.11

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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.