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Finding the Fourth Proportional to 93,790.70, 129,443.49 and 53,495.22

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Solution

The fourth proportional to 93,790.70, 129,443.49 and 53,495.22 is: 73,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,790.70 : 129,443.49 = 53,495.22 : x
  2. Step 2: Convert to fraction form
    93,790.70/129,443.49 = 53,495.22/x
  3. Step 3: Cross multiply
    93,790.70x = 129,443.49 × 53,495.22
  4. Step 4: Simplify right side
    93,790.70x = 6,924,608,460.53
  5. Step 5: Solve for x
    x = 6,924,608,460.53/93,790.70
  6. Step 6: Final answer
    x = 73,830.44

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Double scale
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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.