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Finding the Fourth Proportional to 310,661.64, 466,083.18 and 123,700.68

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Solution

The fourth proportional to 310,661.64, 466,083.18 and 123,700.68 is: 185,587.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,661.64 : 466,083.18 = 123,700.68 : x
  2. Step 2: Convert to fraction form
    310,661.64/466,083.18 = 123,700.68/x
  3. Step 3: Cross multiply
    310,661.64x = 466,083.18 × 123,700.68
  4. Step 4: Simplify right side
    310,661.64x = 57,654,806,302.56
  5. Step 5: Solve for x
    x = 57,654,806,302.56/310,661.64
  6. Step 6: Final answer
    x = 185,587.14

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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.