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Finding the Fourth Proportional to 104,870.57, 157,243.64 and 41,656.71

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Solution

The fourth proportional to 104,870.57, 157,243.64 and 41,656.71 is: 62,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,870.57 : 157,243.64 = 41,656.71 : x
  2. Step 2: Convert to fraction form
    104,870.57/157,243.64 = 41,656.71/x
  3. Step 3: Cross multiply
    104,870.57x = 157,243.64 × 41,656.71
  4. Step 4: Simplify right side
    104,870.57x = 6,550,252,710.82
  5. Step 5: Solve for x
    x = 6,550,252,710.82/104,870.57
  6. Step 6: Final answer
    x = 62,460.35

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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.