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Finding the Fourth Proportional to 93,323.70, 139,886.53 and 45,871.88

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Solution

The fourth proportional to 93,323.70, 139,886.53 and 45,871.88 is: 68,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,323.70 : 139,886.53 = 45,871.88 : x
  2. Step 2: Convert to fraction form
    93,323.70/139,886.53 = 45,871.88/x
  3. Step 3: Cross multiply
    93,323.70x = 139,886.53 × 45,871.88
  4. Step 4: Simplify right side
    93,323.70x = 6,416,857,303.66
  5. Step 5: Solve for x
    x = 6,416,857,303.66/93,323.70
  6. Step 6: Final answer
    x = 68,759.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.