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Finding the Fourth Proportional to 249,950.33, 344,931.68 and 136,773.08

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Solution

The fourth proportional to 249,950.33, 344,931.68 and 136,773.08 is: 188,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,950.33 : 344,931.68 = 136,773.08 : x
  2. Step 2: Convert to fraction form
    249,950.33/344,931.68 = 136,773.08/x
  3. Step 3: Cross multiply
    249,950.33x = 344,931.68 × 136,773.08
  4. Step 4: Simplify right side
    249,950.33x = 47,177,368,173.94
  5. Step 5: Solve for x
    x = 47,177,368,173.94/249,950.33
  6. Step 6: Final answer
    x = 188,746.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.