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Finding the Fourth Proportional to 93,725, 129,355.86 and 54,004.04

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Solution

The fourth proportional to 93,725, 129,355.86 and 54,004.04 is: 74,534.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,725 : 129,355.86 = 54,004.04 : x
  2. Step 2: Convert to fraction form
    93,725/129,355.86 = 54,004.04/x
  3. Step 3: Cross multiply
    93,725x = 129,355.86 × 54,004.04
  4. Step 4: Simplify right side
    93,725x = 6,985,739,037.67
  5. Step 5: Solve for x
    x = 6,985,739,037.67/93,725
  6. Step 6: Final answer
    x = 74,534.43

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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.