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Finding the Fourth Proportional to 216,754.92, 299,076.98 and 148,747.08

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Solution

The fourth proportional to 216,754.92, 299,076.98 and 148,747.08 is: 205,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,754.92 : 299,076.98 = 148,747.08 : x
  2. Step 2: Convert to fraction form
    216,754.92/299,076.98 = 148,747.08/x
  3. Step 3: Cross multiply
    216,754.92x = 299,076.98 × 148,747.08
  4. Step 4: Simplify right side
    216,754.92x = 44,486,827,848.02
  5. Step 5: Solve for x
    x = 44,486,827,848.02/216,754.92
  6. Step 6: Final answer
    x = 205,240.22

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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.