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Finding the Fourth Proportional to 249,054.92, 373,691.76 and 130,698.59

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Solution

The fourth proportional to 249,054.92, 373,691.76 and 130,698.59 is: 196,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,054.92 : 373,691.76 = 130,698.59 : x
  2. Step 2: Convert to fraction form
    249,054.92/373,691.76 = 130,698.59/x
  3. Step 3: Cross multiply
    249,054.92x = 373,691.76 × 130,698.59
  4. Step 4: Simplify right side
    249,054.92x = 48,840,985,473.13
  5. Step 5: Solve for x
    x = 48,840,985,473.13/249,054.92
  6. Step 6: Final answer
    x = 196,105.29

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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.