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Finding the Fourth Proportional to 104,889.47, 157,275.88 and 34,730.51

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Solution

The fourth proportional to 104,889.47, 157,275.88 and 34,730.51 is: 52,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,889.47 : 157,275.88 = 34,730.51 : x
  2. Step 2: Convert to fraction form
    104,889.47/157,275.88 = 34,730.51/x
  3. Step 3: Cross multiply
    104,889.47x = 157,275.88 × 34,730.51
  4. Step 4: Simplify right side
    104,889.47x = 5,462,271,523.10
  5. Step 5: Solve for x
    x = 5,462,271,523.10/104,889.47
  6. Step 6: Final answer
    x = 52,076.45

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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.