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Finding the Fourth Proportional to 163,654.94, 245,454.50 and 45,298.56

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Solution

The fourth proportional to 163,654.94, 245,454.50 and 45,298.56 is: 67,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,654.94 : 245,454.50 = 45,298.56 : x
  2. Step 2: Convert to fraction form
    163,654.94/245,454.50 = 45,298.56/x
  3. Step 3: Cross multiply
    163,654.94x = 245,454.50 × 45,298.56
  4. Step 4: Simplify right side
    163,654.94x = 11,118,735,395.52
  5. Step 5: Solve for x
    x = 11,118,735,395.52/163,654.94
  6. Step 6: Final answer
    x = 67,940.11

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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.