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Finding the Fourth Proportional to 163,498.68, 245,245.59 and 45,167.40

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Solution

The fourth proportional to 163,498.68, 245,245.59 and 45,167.40 is: 67,750.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,498.68 : 245,245.59 = 45,167.40 : x
  2. Step 2: Convert to fraction form
    163,498.68/245,245.59 = 45,167.40/x
  3. Step 3: Cross multiply
    163,498.68x = 245,245.59 × 45,167.40
  4. Step 4: Simplify right side
    163,498.68x = 11,077,105,661.77
  5. Step 5: Solve for x
    x = 11,077,105,661.77/163,498.68
  6. Step 6: Final answer
    x = 67,750.43

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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.