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Finding the Fourth Proportional to 163,620.93, 245,404.06 and 45,304.23

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Solution

The fourth proportional to 163,620.93, 245,404.06 and 45,304.23 is: 67,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,620.93 : 245,404.06 = 45,304.23 : x
  2. Step 2: Convert to fraction form
    163,620.93/245,404.06 = 45,304.23/x
  3. Step 3: Cross multiply
    163,620.93x = 245,404.06 × 45,304.23
  4. Step 4: Simplify right side
    163,620.93x = 11,117,841,750.65
  5. Step 5: Solve for x
    x = 11,117,841,750.65/163,620.93
  6. Step 6: Final answer
    x = 67,948.77

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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.