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Finding the Fourth Proportional to 93,165.59, 128,580.12 and 52,892.39

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Solution

The fourth proportional to 93,165.59, 128,580.12 and 52,892.39 is: 72,998.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,165.59 : 128,580.12 = 52,892.39 : x
  2. Step 2: Convert to fraction form
    93,165.59/128,580.12 = 52,892.39/x
  3. Step 3: Cross multiply
    93,165.59x = 128,580.12 × 52,892.39
  4. Step 4: Simplify right side
    93,165.59x = 6,800,909,210.39
  5. Step 5: Solve for x
    x = 6,800,909,210.39/93,165.59
  6. Step 6: Final answer
    x = 72,998.08

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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.