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Finding the Fourth Proportional to 160,603.74, 240,895.89 and 42,272.46

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Solution

The fourth proportional to 160,603.74, 240,895.89 and 42,272.46 is: 63,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,603.74 : 240,895.89 = 42,272.46 : x
  2. Step 2: Convert to fraction form
    160,603.74/240,895.89 = 42,272.46/x
  3. Step 3: Cross multiply
    160,603.74x = 240,895.89 × 42,272.46
  4. Step 4: Simplify right side
    160,603.74x = 10,183,261,874.19
  5. Step 5: Solve for x
    x = 10,183,261,874.19/160,603.74
  6. Step 6: Final answer
    x = 63,406.13

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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.