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Finding the Fourth Proportional to 151,727.90, 212,730.10 and 151,727.90

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Solution

The fourth proportional to 151,727.90, 212,730.10 and 151,727.90 is: 212,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,727.90 : 212,730.10 = 151,727.90 : x
  2. Step 2: Convert to fraction form
    151,727.90/212,730.10 = 151,727.90/x
  3. Step 3: Cross multiply
    151,727.90x = 212,730.10 × 151,727.90
  4. Step 4: Simplify right side
    151,727.90x = 32,277,091,339.79
  5. Step 5: Solve for x
    x = 32,277,091,339.79/151,727.90
  6. Step 6: Final answer
    x = 212,730.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.