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Finding the Fourth Proportional to 151,750.15, 212,056.55 and 151,750.15

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Solution

The fourth proportional to 151,750.15, 212,056.55 and 151,750.15 is: 212,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,750.15 : 212,056.55 = 151,750.15 : x
  2. Step 2: Convert to fraction form
    151,750.15/212,056.55 = 151,750.15/x
  3. Step 3: Cross multiply
    151,750.15x = 212,056.55 × 151,750.15
  4. Step 4: Simplify right side
    151,750.15x = 32,179,613,270.98
  5. Step 5: Solve for x
    x = 32,179,613,270.98/151,750.15
  6. Step 6: Final answer
    x = 212,056.55

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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.