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Finding the Fourth Proportional to 160,977.13, 241,702.62 and 90,038.71

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Solution

The fourth proportional to 160,977.13, 241,702.62 and 90,038.71 is: 135,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,977.13 : 241,702.62 = 90,038.71 : x
  2. Step 2: Convert to fraction form
    160,977.13/241,702.62 = 90,038.71/x
  3. Step 3: Cross multiply
    160,977.13x = 241,702.62 × 90,038.71
  4. Step 4: Simplify right side
    160,977.13x = 21,762,592,108.42
  5. Step 5: Solve for x
    x = 21,762,592,108.42/160,977.13
  6. Step 6: Final answer
    x = 135,190.58

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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.