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Finding the Fourth Proportional to 316,694.48, 475,045.83 and 103,460.76

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Solution

The fourth proportional to 316,694.48, 475,045.83 and 103,460.76 is: 155,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,694.48 : 475,045.83 = 103,460.76 : x
  2. Step 2: Convert to fraction form
    316,694.48/475,045.83 = 103,460.76/x
  3. Step 3: Cross multiply
    316,694.48x = 475,045.83 × 103,460.76
  4. Step 4: Simplify right side
    316,694.48x = 49,148,602,606.63
  5. Step 5: Solve for x
    x = 49,148,602,606.63/316,694.48
  6. Step 6: Final answer
    x = 155,192.49

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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.