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Finding the Fourth Proportional to 93,243, 128,675.34 and 50,801.52

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Solution

The fourth proportional to 93,243, 128,675.34 and 50,801.52 is: 70,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,243 : 128,675.34 = 50,801.52 : x
  2. Step 2: Convert to fraction form
    93,243/128,675.34 = 50,801.52/x
  3. Step 3: Cross multiply
    93,243x = 128,675.34 × 50,801.52
  4. Step 4: Simplify right side
    93,243x = 6,536,902,858.52
  5. Step 5: Solve for x
    x = 6,536,902,858.52/93,243
  6. Step 6: Final answer
    x = 70,106.10

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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.