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Finding the Fourth Proportional to 124,295.84, 171,528 and 67,707.08

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Solution

The fourth proportional to 124,295.84, 171,528 and 67,707.08 is: 93,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,295.84 : 171,528 = 67,707.08 : x
  2. Step 2: Convert to fraction form
    124,295.84/171,528 = 67,707.08/x
  3. Step 3: Cross multiply
    124,295.84x = 171,528 × 67,707.08
  4. Step 4: Simplify right side
    124,295.84x = 11,613,660,018.24
  5. Step 5: Solve for x
    x = 11,613,660,018.24/124,295.84
  6. Step 6: Final answer
    x = 93,435.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.