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Finding the Fourth Proportional to 124,268.08, 171,484.08 and 70,546

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Solution

The fourth proportional to 124,268.08, 171,484.08 and 70,546 is: 97,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,268.08 : 171,484.08 = 70,546 : x
  2. Step 2: Convert to fraction form
    124,268.08/171,484.08 = 70,546/x
  3. Step 3: Cross multiply
    124,268.08x = 171,484.08 × 70,546
  4. Step 4: Simplify right side
    124,268.08x = 12,097,515,907.68
  5. Step 5: Solve for x
    x = 12,097,515,907.68/124,268.08
  6. Step 6: Final answer
    x = 97,350.15

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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.