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Finding the Fourth Proportional to 93,636.48, 129,230.28 and 53,364.78

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Solution

The fourth proportional to 93,636.48, 129,230.28 and 53,364.78 is: 73,650.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,636.48 : 129,230.28 = 53,364.78 : x
  2. Step 2: Convert to fraction form
    93,636.48/129,230.28 = 53,364.78/x
  3. Step 3: Cross multiply
    93,636.48x = 129,230.28 × 53,364.78
  4. Step 4: Simplify right side
    93,636.48x = 6,896,345,461.54
  5. Step 5: Solve for x
    x = 6,896,345,461.54/93,636.48
  6. Step 6: Final answer
    x = 73,650.20

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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.