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Finding the Fourth Proportional to 93,533.70, 129,070.32 and 53,251.58

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Solution

The fourth proportional to 93,533.70, 129,070.32 and 53,251.58 is: 73,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,533.70 : 129,070.32 = 53,251.58 : x
  2. Step 2: Convert to fraction form
    93,533.70/129,070.32 = 53,251.58/x
  3. Step 3: Cross multiply
    93,533.70x = 129,070.32 × 53,251.58
  4. Step 4: Simplify right side
    93,533.70x = 6,873,198,471.11
  5. Step 5: Solve for x
    x = 6,873,198,471.11/93,533.70
  6. Step 6: Final answer
    x = 73,483.66

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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.