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Finding the Fourth Proportional to 163,775.52, 245,663.30 and 45,446.90

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Solution

The fourth proportional to 163,775.52, 245,663.30 and 45,446.90 is: 68,170.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,775.52 : 245,663.30 = 45,446.90 : x
  2. Step 2: Convert to fraction form
    163,775.52/245,663.30 = 45,446.90/x
  3. Step 3: Cross multiply
    163,775.52x = 245,663.30 × 45,446.90
  4. Step 4: Simplify right side
    163,775.52x = 11,164,635,428.77
  5. Step 5: Solve for x
    x = 11,164,635,428.77/163,775.52
  6. Step 6: Final answer
    x = 68,170.36

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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.