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Finding the Fourth Proportional to 154,669.92, 213,425.51 and 94,218.60

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Solution

The fourth proportional to 154,669.92, 213,425.51 and 94,218.60 is: 130,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,669.92 : 213,425.51 = 94,218.60 : x
  2. Step 2: Convert to fraction form
    154,669.92/213,425.51 = 94,218.60/x
  3. Step 3: Cross multiply
    154,669.92x = 213,425.51 × 94,218.60
  4. Step 4: Simplify right side
    154,669.92x = 20,108,652,756.49
  5. Step 5: Solve for x
    x = 20,108,652,756.49/154,669.92
  6. Step 6: Final answer
    x = 130,010.11

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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.