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Finding the Fourth Proportional to 160,661.40, 240,992.10 and 101,612.40

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Solution

The fourth proportional to 160,661.40, 240,992.10 and 101,612.40 is: 152,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,661.40 : 240,992.10 = 101,612.40 : x
  2. Step 2: Convert to fraction form
    160,661.40/240,992.10 = 101,612.40/x
  3. Step 3: Cross multiply
    160,661.40x = 240,992.10 × 101,612.40
  4. Step 4: Simplify right side
    160,661.40x = 24,487,785,662.04
  5. Step 5: Solve for x
    x = 24,487,785,662.04/160,661.40
  6. Step 6: Final answer
    x = 152,418.60

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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.