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Finding the Fourth Proportional to 113,415.52, 170,117.52 and 34,528

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Solution

The fourth proportional to 113,415.52, 170,117.52 and 34,528 is: 51,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,415.52 : 170,117.52 = 34,528 : x
  2. Step 2: Convert to fraction form
    113,415.52/170,117.52 = 34,528/x
  3. Step 3: Cross multiply
    113,415.52x = 170,117.52 × 34,528
  4. Step 4: Simplify right side
    113,415.52x = 5,873,817,730.56
  5. Step 5: Solve for x
    x = 5,873,817,730.56/113,415.52
  6. Step 6: Final answer
    x = 51,790.25

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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.