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Finding the Fourth Proportional to 93,551.70, 129,083.76 and 53,263.02

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Solution

The fourth proportional to 93,551.70, 129,083.76 and 53,263.02 is: 73,492.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,551.70 : 129,083.76 = 53,263.02 : x
  2. Step 2: Convert to fraction form
    93,551.70/129,083.76 = 53,263.02/x
  3. Step 3: Cross multiply
    93,551.70x = 129,083.76 × 53,263.02
  4. Step 4: Simplify right side
    93,551.70x = 6,875,390,890.56
  5. Step 5: Solve for x
    x = 6,875,390,890.56/93,551.70
  6. Step 6: Final answer
    x = 73,492.96

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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.