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Finding the Fourth Proportional to 163,360.80, 245,048.40 and 92,282.40

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Solution

The fourth proportional to 163,360.80, 245,048.40 and 92,282.40 is: 138,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,360.80 : 245,048.40 = 92,282.40 : x
  2. Step 2: Convert to fraction form
    163,360.80/245,048.40 = 92,282.40/x
  3. Step 3: Cross multiply
    163,360.80x = 245,048.40 × 92,282.40
  4. Step 4: Simplify right side
    163,360.80x = 22,613,654,468.16
  5. Step 5: Solve for x
    x = 22,613,654,468.16/163,360.80
  6. Step 6: Final answer
    x = 138,427.67

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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.