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Finding the Fourth Proportional to 124,051.50, 171,191.07 and 67,464.09

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Solution

The fourth proportional to 124,051.50, 171,191.07 and 67,464.09 is: 93,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,051.50 : 171,191.07 = 67,464.09 : x
  2. Step 2: Convert to fraction form
    124,051.50/171,191.07 = 67,464.09/x
  3. Step 3: Cross multiply
    124,051.50x = 171,191.07 × 67,464.09
  4. Step 4: Simplify right side
    124,051.50x = 11,549,249,753.68
  5. Step 5: Solve for x
    x = 11,549,249,753.68/124,051.50
  6. Step 6: Final answer
    x = 93,100.44

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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.