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Finding the Fourth Proportional to 185,474.76, 277,779.43 and 135,430.71

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Solution

The fourth proportional to 185,474.76, 277,779.43 and 135,430.71 is: 202,830.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,474.76 : 277,779.43 = 135,430.71 : x
  2. Step 2: Convert to fraction form
    185,474.76/277,779.43 = 135,430.71/x
  3. Step 3: Cross multiply
    185,474.76x = 277,779.43 × 135,430.71
  4. Step 4: Simplify right side
    185,474.76x = 37,619,865,428.30
  5. Step 5: Solve for x
    x = 37,619,865,428.30/185,474.76
  6. Step 6: Final answer
    x = 202,830.11

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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.