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Finding the Fourth Proportional to 111,466.76, 153,822.08 and 63,068.18

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Solution

The fourth proportional to 111,466.76, 153,822.08 and 63,068.18 is: 87,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,466.76 : 153,822.08 = 63,068.18 : x
  2. Step 2: Convert to fraction form
    111,466.76/153,822.08 = 63,068.18/x
  3. Step 3: Cross multiply
    111,466.76x = 153,822.08 × 63,068.18
  4. Step 4: Simplify right side
    111,466.76x = 9,701,278,629.41
  5. Step 5: Solve for x
    x = 9,701,278,629.41/111,466.76
  6. Step 6: Final answer
    x = 87,032.93

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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.