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Finding the Fourth Proportional to 193,364.71, 266,875.40 and 112,792.29

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Solution

The fourth proportional to 193,364.71, 266,875.40 and 112,792.29 is: 155,672.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,364.71 : 266,875.40 = 112,792.29 : x
  2. Step 2: Convert to fraction form
    193,364.71/266,875.40 = 112,792.29/x
  3. Step 3: Cross multiply
    193,364.71x = 266,875.40 × 112,792.29
  4. Step 4: Simplify right side
    193,364.71x = 30,101,487,792.65
  5. Step 5: Solve for x
    x = 30,101,487,792.65/193,364.71
  6. Step 6: Final answer
    x = 155,672.09

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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.