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Finding the Fourth Proportional to 93,068.48, 128,414.22 and 52,773.16

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Solution

The fourth proportional to 93,068.48, 128,414.22 and 52,773.16 is: 72,815.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,068.48 : 128,414.22 = 52,773.16 : x
  2. Step 2: Convert to fraction form
    93,068.48/128,414.22 = 52,773.16/x
  3. Step 3: Cross multiply
    93,068.48x = 128,414.22 × 52,773.16
  4. Step 4: Simplify right side
    93,068.48x = 6,776,824,178.34
  5. Step 5: Solve for x
    x = 6,776,824,178.34/93,068.48
  6. Step 6: Final answer
    x = 72,815.46

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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.