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Finding the Fourth Proportional to 151,714.65, 212,711.55 and 151,714.65

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Solution

The fourth proportional to 151,714.65, 212,711.55 and 151,714.65 is: 212,711.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,714.65 : 212,711.55 = 151,714.65 : x
  2. Step 2: Convert to fraction form
    151,714.65/212,711.55 = 151,714.65/x
  3. Step 3: Cross multiply
    151,714.65x = 212,711.55 × 151,714.65
  4. Step 4: Simplify right side
    151,714.65x = 32,271,458,359.21
  5. Step 5: Solve for x
    x = 32,271,458,359.21/151,714.65
  6. Step 6: Final answer
    x = 212,711.55

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1.5x scale

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.