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Finding the Fourth Proportional to 93,513.60, 129,049.59 and 53,229.96

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Solution

The fourth proportional to 93,513.60, 129,049.59 and 53,229.96 is: 73,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,513.60 : 129,049.59 = 53,229.96 : x
  2. Step 2: Convert to fraction form
    93,513.60/129,049.59 = 53,229.96/x
  3. Step 3: Cross multiply
    93,513.60x = 129,049.59 × 53,229.96
  4. Step 4: Simplify right side
    93,513.60x = 6,869,303,602.32
  5. Step 5: Solve for x
    x = 6,869,303,602.32/93,513.60
  6. Step 6: Final answer
    x = 73,457.80

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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.