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Finding the Fourth Proportional to 151,598.40, 212,548.80 and 151,598.40

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Solution

The fourth proportional to 151,598.40, 212,548.80 and 151,598.40 is: 212,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,598.40 : 212,548.80 = 151,598.40 : x
  2. Step 2: Convert to fraction form
    151,598.40/212,548.80 = 151,598.40/x
  3. Step 3: Cross multiply
    151,598.40x = 212,548.80 × 151,598.40
  4. Step 4: Simplify right side
    151,598.40x = 32,222,058,001.92
  5. Step 5: Solve for x
    x = 32,222,058,001.92/151,598.40
  6. Step 6: Final answer
    x = 212,548.80

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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.