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Finding the Fourth Proportional to 160,531.80, 240,624.90 and 60,653.40

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Solution

The fourth proportional to 160,531.80, 240,624.90 and 60,653.40 is: 90,914.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,531.80 : 240,624.90 = 60,653.40 : x
  2. Step 2: Convert to fraction form
    160,531.80/240,624.90 = 60,653.40/x
  3. Step 3: Cross multiply
    160,531.80x = 240,624.90 × 60,653.40
  4. Step 4: Simplify right side
    160,531.80x = 14,594,718,309.66
  5. Step 5: Solve for x
    x = 14,594,718,309.66/160,531.80
  6. Step 6: Final answer
    x = 90,914.81

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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.