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Finding the Fourth Proportional to 163,497.99, 245,244.56 and 45,166.71

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Solution

The fourth proportional to 163,497.99, 245,244.56 and 45,166.71 is: 67,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,497.99 : 245,244.56 = 45,166.71 : x
  2. Step 2: Convert to fraction form
    163,497.99/245,244.56 = 45,166.71/x
  3. Step 3: Cross multiply
    163,497.99x = 245,244.56 × 45,166.71
  4. Step 4: Simplify right side
    163,497.99x = 11,076,889,920.60
  5. Step 5: Solve for x
    x = 11,076,889,920.60/163,497.99
  6. Step 6: Final answer
    x = 67,749.40

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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.