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Finding the Fourth Proportional to 162,712.50, 244,073.07 and 51,904.50

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Solution

The fourth proportional to 162,712.50, 244,073.07 and 51,904.50 is: 77,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,712.50 : 244,073.07 = 51,904.50 : x
  2. Step 2: Convert to fraction form
    162,712.50/244,073.07 = 51,904.50/x
  3. Step 3: Cross multiply
    162,712.50x = 244,073.07 × 51,904.50
  4. Step 4: Simplify right side
    162,712.50x = 12,668,490,661.82
  5. Step 5: Solve for x
    x = 12,668,490,661.82/162,712.50
  6. Step 6: Final answer
    x = 77,858.13

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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.