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Finding the Fourth Proportional to 163,666.98, 245,473.20 and 45,350.28

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Solution

The fourth proportional to 163,666.98, 245,473.20 and 45,350.28 is: 68,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,666.98 : 245,473.20 = 45,350.28 : x
  2. Step 2: Convert to fraction form
    163,666.98/245,473.20 = 45,350.28/x
  3. Step 3: Cross multiply
    163,666.98x = 245,473.20 × 45,350.28
  4. Step 4: Simplify right side
    163,666.98x = 11,132,278,352.50
  5. Step 5: Solve for x
    x = 11,132,278,352.50/163,666.98
  6. Step 6: Final answer
    x = 68,017.86

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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.