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Finding the Fourth Proportional to 114,528, 158,065.92 and 69,841.92

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Solution

The fourth proportional to 114,528, 158,065.92 and 69,841.92 is: 96,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,528 : 158,065.92 = 69,841.92 : x
  2. Step 2: Convert to fraction form
    114,528/158,065.92 = 69,841.92/x
  3. Step 3: Cross multiply
    114,528x = 158,065.92 × 69,841.92
  4. Step 4: Simplify right side
    114,528x = 11,039,627,339.37
  5. Step 5: Solve for x
    x = 11,039,627,339.37/114,528
  6. Step 6: Final answer
    x = 96,392.39

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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.