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Finding the Fourth Proportional to 163,613.40, 245,420.10 and 160,848.60

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Solution

The fourth proportional to 163,613.40, 245,420.10 and 160,848.60 is: 241,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,613.40 : 245,420.10 = 160,848.60 : x
  2. Step 2: Convert to fraction form
    163,613.40/245,420.10 = 160,848.60/x
  3. Step 3: Cross multiply
    163,613.40x = 245,420.10 × 160,848.60
  4. Step 4: Simplify right side
    163,613.40x = 39,475,479,496.86
  5. Step 5: Solve for x
    x = 39,475,479,496.86/163,613.40
  6. Step 6: Final answer
    x = 241,272.90

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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.