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Finding the Fourth Proportional to 93,242.80, 128,676.54 and 50,801.32

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Solution

The fourth proportional to 93,242.80, 128,676.54 and 50,801.32 is: 70,106.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,242.80 : 128,676.54 = 50,801.32 : x
  2. Step 2: Convert to fraction form
    93,242.80/128,676.54 = 50,801.32/x
  3. Step 3: Cross multiply
    93,242.80x = 128,676.54 × 50,801.32
  4. Step 4: Simplify right side
    93,242.80x = 6,536,938,085.03
  5. Step 5: Solve for x
    x = 6,536,938,085.03/93,242.80
  6. Step 6: Final answer
    x = 70,106.63

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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.