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Finding the Fourth Proportional to 93,355.57, 128,830.10 and 53,069.33

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Solution

The fourth proportional to 93,355.57, 128,830.10 and 53,069.33 is: 73,235.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,355.57 : 128,830.10 = 53,069.33 : x
  2. Step 2: Convert to fraction form
    93,355.57/128,830.10 = 53,069.33/x
  3. Step 3: Cross multiply
    93,355.57x = 128,830.10 × 53,069.33
  4. Step 4: Simplify right side
    93,355.57x = 6,836,927,446.08
  5. Step 5: Solve for x
    x = 6,836,927,446.08/93,355.57
  6. Step 6: Final answer
    x = 73,235.34

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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.