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Finding the Fourth Proportional to 114,804.16, 158,429.62 and 63,815.32

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Solution

The fourth proportional to 114,804.16, 158,429.62 and 63,815.32 is: 88,065.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,804.16 : 158,429.62 = 63,815.32 : x
  2. Step 2: Convert to fraction form
    114,804.16/158,429.62 = 63,815.32/x
  3. Step 3: Cross multiply
    114,804.16x = 158,429.62 × 63,815.32
  4. Step 4: Simplify right side
    114,804.16x = 10,110,236,897.78
  5. Step 5: Solve for x
    x = 10,110,236,897.78/114,804.16
  6. Step 6: Final answer
    x = 88,065.07

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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.