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Finding the Fourth Proportional to 160,510.78, 240,709.35 and 46,634.90

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Solution

The fourth proportional to 160,510.78, 240,709.35 and 46,634.90 is: 69,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,510.78 : 240,709.35 = 46,634.90 : x
  2. Step 2: Convert to fraction form
    160,510.78/240,709.35 = 46,634.90/x
  3. Step 3: Cross multiply
    160,510.78x = 240,709.35 × 46,634.90
  4. Step 4: Simplify right side
    160,510.78x = 11,225,456,466.32
  5. Step 5: Solve for x
    x = 11,225,456,466.32/160,510.78
  6. Step 6: Final answer
    x = 69,935.84

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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.