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Finding the Fourth Proportional to 93,465.60, 128,984.48 and 51,025.92

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Solution

The fourth proportional to 93,465.60, 128,984.48 and 51,025.92 is: 70,416.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,465.60 : 128,984.48 = 51,025.92 : x
  2. Step 2: Convert to fraction form
    93,465.60/128,984.48 = 51,025.92/x
  3. Step 3: Cross multiply
    93,465.60x = 128,984.48 × 51,025.92
  4. Step 4: Simplify right side
    93,465.60x = 6,581,551,757.72
  5. Step 5: Solve for x
    x = 6,581,551,757.72/93,465.60
  6. Step 6: Final answer
    x = 70,416.84

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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.