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Finding the Fourth Proportional to 216,965.58, 325,497.44 and 117,123.63

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Solution

The fourth proportional to 216,965.58, 325,497.44 and 117,123.63 is: 175,711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,965.58 : 325,497.44 = 117,123.63 : x
  2. Step 2: Convert to fraction form
    216,965.58/325,497.44 = 117,123.63/x
  3. Step 3: Cross multiply
    216,965.58x = 325,497.44 × 117,123.63
  4. Step 4: Simplify right side
    216,965.58x = 38,123,441,728.51
  5. Step 5: Solve for x
    x = 38,123,441,728.51/216,965.58
  6. Step 6: Final answer
    x = 175,711.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.