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Finding the Fourth Proportional to 93,394.60, 128,877.86 and 50,952.20

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Solution

The fourth proportional to 93,394.60, 128,877.86 and 50,952.20 is: 70,310.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,394.60 : 128,877.86 = 50,952.20 : x
  2. Step 2: Convert to fraction form
    93,394.60/128,877.86 = 50,952.20/x
  3. Step 3: Cross multiply
    93,394.60x = 128,877.86 × 50,952.20
  4. Step 4: Simplify right side
    93,394.60x = 6,566,610,498.29
  5. Step 5: Solve for x
    x = 6,566,610,498.29/93,394.60
  6. Step 6: Final answer
    x = 70,310.39

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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.