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Finding the Fourth Proportional to 216,748.51, 325,150.45 and 83,666.82

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Solution

The fourth proportional to 216,748.51, 325,150.45 and 83,666.82 is: 125,510.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,748.51 : 325,150.45 = 83,666.82 : x
  2. Step 2: Convert to fraction form
    216,748.51/325,150.45 = 83,666.82/x
  3. Step 3: Cross multiply
    216,748.51x = 325,150.45 × 83,666.82
  4. Step 4: Simplify right side
    216,748.51x = 27,204,305,653.84
  5. Step 5: Solve for x
    x = 27,204,305,653.84/216,748.51
  6. Step 6: Final answer
    x = 125,510.92

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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.