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Finding the Fourth Proportional to 161,294.40, 241,963.20 and 56,145.60

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Solution

The fourth proportional to 161,294.40, 241,963.20 and 56,145.60 is: 84,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,294.40 : 241,963.20 = 56,145.60 : x
  2. Step 2: Convert to fraction form
    161,294.40/241,963.20 = 56,145.60/x
  3. Step 3: Cross multiply
    161,294.40x = 241,963.20 × 56,145.60
  4. Step 4: Simplify right side
    161,294.40x = 13,585,169,041.92
  5. Step 5: Solve for x
    x = 13,585,169,041.92/161,294.40
  6. Step 6: Final answer
    x = 84,225.92

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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.