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Finding the Fourth Proportional to 93,778.73, 129,411.41 and 53,505.53

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Solution

The fourth proportional to 93,778.73, 129,411.41 and 53,505.53 is: 73,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,778.73 : 129,411.41 = 53,505.53 : x
  2. Step 2: Convert to fraction form
    93,778.73/129,411.41 = 53,505.53/x
  3. Step 3: Cross multiply
    93,778.73x = 129,411.41 × 53,505.53
  4. Step 4: Simplify right side
    93,778.73x = 6,924,225,165.51
  5. Step 5: Solve for x
    x = 6,924,225,165.51/93,778.73
  6. Step 6: Final answer
    x = 73,835.78

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1.5x scale

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.