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Finding the Fourth Proportional to 160,420.95, 240,686.10 and 48,103.92

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Solution

The fourth proportional to 160,420.95, 240,686.10 and 48,103.92 is: 72,172.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,420.95 : 240,686.10 = 48,103.92 : x
  2. Step 2: Convert to fraction form
    160,420.95/240,686.10 = 48,103.92/x
  3. Step 3: Cross multiply
    160,420.95x = 240,686.10 × 48,103.92
  4. Step 4: Simplify right side
    160,420.95x = 11,577,944,899.51
  5. Step 5: Solve for x
    x = 11,577,944,899.51/160,420.95
  6. Step 6: Final answer
    x = 72,172.27

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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.