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Finding the Fourth Proportional to 160,545.30, 240,745.05 and 60,672.30

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Solution

The fourth proportional to 160,545.30, 240,745.05 and 60,672.30 is: 90,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,545.30 : 240,745.05 = 60,672.30 : x
  2. Step 2: Convert to fraction form
    160,545.30/240,745.05 = 60,672.30/x
  3. Step 3: Cross multiply
    160,545.30x = 240,745.05 × 60,672.30
  4. Step 4: Simplify right side
    160,545.30x = 14,606,555,897.12
  5. Step 5: Solve for x
    x = 14,606,555,897.12/160,545.30
  6. Step 6: Final answer
    x = 90,980.90

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1.5x scale

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.