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Finding the Fourth Proportional to 220,510.01, 330,931.47 and 161,498.68

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Solution

The fourth proportional to 220,510.01, 330,931.47 and 161,498.68 is: 242,369.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,510.01 : 330,931.47 = 161,498.68 : x
  2. Step 2: Convert to fraction form
    220,510.01/330,931.47 = 161,498.68/x
  3. Step 3: Cross multiply
    220,510.01x = 330,931.47 × 161,498.68
  4. Step 4: Simplify right side
    220,510.01x = 53,444,995,353.75
  5. Step 5: Solve for x
    x = 53,444,995,353.75/220,510.01
  6. Step 6: Final answer
    x = 242,369.93

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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.