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Finding the Fourth Proportional to 151,985.70, 227,978.55 and 46,836.90

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Solution

The fourth proportional to 151,985.70, 227,978.55 and 46,836.90 is: 70,255.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,985.70 : 227,978.55 = 46,836.90 : x
  2. Step 2: Convert to fraction form
    151,985.70/227,978.55 = 46,836.90/x
  3. Step 3: Cross multiply
    151,985.70x = 227,978.55 × 46,836.90
  4. Step 4: Simplify right side
    151,985.70x = 10,677,808,548.50
  5. Step 5: Solve for x
    x = 10,677,808,548.50/151,985.70
  6. Step 6: Final answer
    x = 70,255.35

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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.