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Finding the Fourth Proportional to 163,139.80, 244,798.86 and 63,303.91

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Solution

The fourth proportional to 163,139.80, 244,798.86 and 63,303.91 is: 94,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,139.80 : 244,798.86 = 63,303.91 : x
  2. Step 2: Convert to fraction form
    163,139.80/244,798.86 = 63,303.91/x
  3. Step 3: Cross multiply
    163,139.80x = 244,798.86 × 63,303.91
  4. Step 4: Simplify right side
    163,139.80x = 15,496,725,001.54
  5. Step 5: Solve for x
    x = 15,496,725,001.54/163,139.80
  6. Step 6: Final answer
    x = 94,990.46

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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.