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Finding the Fourth Proportional to 93,663.54, 129,300.30 and 57,874.50

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Solution

The fourth proportional to 93,663.54, 129,300.30 and 57,874.50 is: 79,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,663.54 : 129,300.30 = 57,874.50 : x
  2. Step 2: Convert to fraction form
    93,663.54/129,300.30 = 57,874.50/x
  3. Step 3: Cross multiply
    93,663.54x = 129,300.30 × 57,874.50
  4. Step 4: Simplify right side
    93,663.54x = 7,483,190,212.35
  5. Step 5: Solve for x
    x = 7,483,190,212.35/93,663.54
  6. Step 6: Final answer
    x = 79,894.38

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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.