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Finding the Fourth Proportional to 99,613.36, 137,466.12 and 54,901.36

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Solution

The fourth proportional to 99,613.36, 137,466.12 and 54,901.36 is: 75,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,613.36 : 137,466.12 = 54,901.36 : x
  2. Step 2: Convert to fraction form
    99,613.36/137,466.12 = 54,901.36/x
  3. Step 3: Cross multiply
    99,613.36x = 137,466.12 × 54,901.36
  4. Step 4: Simplify right side
    99,613.36x = 7,547,076,941.92
  5. Step 5: Solve for x
    x = 7,547,076,941.92/99,613.36
  6. Step 6: Final answer
    x = 75,763.70

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