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Finding the Fourth Proportional to 160,358.56, 240,466.75 and 85,464.74

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Solution

The fourth proportional to 160,358.56, 240,466.75 and 85,464.74 is: 128,159.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,358.56 : 240,466.75 = 85,464.74 : x
  2. Step 2: Convert to fraction form
    160,358.56/240,466.75 = 85,464.74/x
  3. Step 3: Cross multiply
    160,358.56x = 240,466.75 × 85,464.74
  4. Step 4: Simplify right side
    160,358.56x = 20,551,428,654.90
  5. Step 5: Solve for x
    x = 20,551,428,654.90/160,358.56
  6. Step 6: Final answer
    x = 128,159.23

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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.