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Finding the Fourth Proportional to 314,750.65, 472,125.39 and 98,625.93

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Solution

The fourth proportional to 314,750.65, 472,125.39 and 98,625.93 is: 147,938.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,750.65 : 472,125.39 = 98,625.93 : x
  2. Step 2: Convert to fraction form
    314,750.65/472,125.39 = 98,625.93/x
  3. Step 3: Cross multiply
    314,750.65x = 472,125.39 × 98,625.93
  4. Step 4: Simplify right side
    314,750.65x = 46,563,805,665.36
  5. Step 5: Solve for x
    x = 46,563,805,665.36/314,750.65
  6. Step 6: Final answer
    x = 147,938.71

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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.